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121031002233120 = 2535736021131617
BaseRepresentation
bin11011100001001110111001…
…111001010001100100100000
3120212112110011122101002011210
4123201032321321101210200
5111330432443032424440
61105224512544510120
734331126030443410
oct3341167171214440
9525473148332153
10121031002233120
1135622a61541771
12116a875191b340
13526c2365ca045
1421c5d08a90640
15ded4629b8a80
hex6e13b9e51920

121031002233120 has 96 divisors (see below), whose sum is σ = 435711608051328. Its totient is φ = 27664229081088.

The previous prime is 121031002233049. The next prime is 121031002233181. The reversal of 121031002233120 is 21332200130121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18010562449 + ... + 18010569168.

It is an arithmetic number, because the mean of its divisors is an integer number (4538662583868).

Almost surely, 2121031002233120 is an apocalyptic number.

121031002233120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121031002233120 is an abundant number, since it is smaller than the sum of its proper divisors (314680605818208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121031002233120 is a wasteful number, since it uses less digits than its factorization.

121031002233120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36021131642 (or 36021131634 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121031002233120 its reverse (21332200130121), we get a palindrome (142363202363241).

The spelling of 121031002233120 in words is "one hundred twenty-one trillion, thirty-one billion, two million, two hundred thirty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 36021131617 72042263234 108063394851 144084526468 180105658085 216126789702 252147921319 288169052936 360211316170 432253579404 504295842638 540316974255 576338105872 720422632340 756443763957 864507158808 1008591685276 1080633948510 1152676211744 1260739606595 1440845264680 1512887527914 1729014317616 2017183370552 2161267897020 2521479213190 2881690529360 3025775055828 3458028635232 3782218819785 4034366741104 4322535794040 5042958426380 5763381058720 6051550111656 7564437639570 8068733482208 8645071588080 10085916852760 12103100223312 15128875279140 17290143176160 20171833705520 24206200446624 30257750558280 40343667411040 60515501116560 121031002233120