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120130021120 = 28594799901
BaseRepresentation
bin110111111100001001…
…1101010011100000000
3102111002001211100221111
41233320103222130000
53432011241133440
6131104215133104
711451635221504
oct1577023523400
9374061740844
10120130021120
1146a462a099a
121b347374194
13b43610c645
145b58710304
1531d15da4ea
hex1bf84ea700

120130021120 has 72 divisors (see below), whose sum is σ = 287808363360. Its totient is φ = 48042086400.

The previous prime is 120130021111. The next prime is 120130021147. The reversal of 120130021120 is 21120031021.

It is a self number, because there is not a number n which added to its sum of digits gives 120130021120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12128170 + ... + 12138070.

It is an arithmetic number, because the mean of its divisors is an integer number (3997338380).

Almost surely, 2120130021120 is an apocalyptic number.

120130021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120130021120 is an abundant number, since it is smaller than the sum of its proper divisors (167678342240).

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

120130021120 is an frugal number, since it uses more digits than its factorization.

120130021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19401 (or 19387 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120130021120 its reverse (21120031021), we get a palindrome (141250052141).

Subtracting from 120130021120 its reverse (21120031021), we obtain a palindrome (99009990099).

The spelling of 120130021120 in words is "one hundred twenty billion, one hundred thirty million, twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 9479 9901 18958 19802 37916 39604 47395 49505 75832 79208 94790 99010 151664 158416 189580 198020 303328 316832 379160 396040 606656 633664 758320 792080 1213312 1267328 1516640 1584160 2426624 2534656 3033280 3168320 6066560 6336640 12133120 12673280 93851579 187703158 375406316 469257895 750812632 938515790 1501625264 1877031580 3003250528 3754063160 6006501056 7508126320 12013002112 15016252640 24026004224 30032505280 60065010560 120130021120