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12102011031120 = 2435187126950853
BaseRepresentation
bin1011000000011011100000…
…0100011000111001010000
31120211221101221211102010020
42300012320010120321100
53041234404310443440
641423330452303440
72356225054325343
oct260067004307120
946757357742106
1012102011031120
11394648580139a
12143554b011b80
1369a2a3a3966a
142dba51b6a45a
1515ec0399b3d0
hexb01b8118e50

12102011031120 has 80 divisors (see below), whose sum is σ = 37536287023872. Its totient is φ = 3225477967360.

The previous prime is 12102011031101. The next prime is 12102011031197. The reversal of 12102011031120 is 2113011020121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×121020110311203 (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12102011031120.

It is a congruent number.

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, 13026387 + ... + 13924466.

Almost surely, 212102011031120 is an apocalyptic number.

12102011031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102011031120 is an abundant number, since it is smaller than the sum of its proper divisors (25434275992752).

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

12102011031120 is a wasteful number, since it uses less digits than its factorization.

12102011031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26952740 (or 26952734 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12102011031120 its reverse (2113011020121), we get a palindrome (14215022051241).

The spelling of 12102011031120 in words is "twelve trillion, one hundred two billion, eleven million, thirty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1871 3742 5613 7484 9355 11226 14968 18710 22452 28065 29936 37420 44904 56130 74840 89808 112260 149680 224520 449040 26950853 53901706 80852559 107803412 134754265 161705118 215606824 269508530 323410236 404262795 431213648 539017060 646820472 808525590 1078034120 1293640944 1617051180 2156068240 3234102360 6468204720 50425045963 100850091926 151275137889 201700183852 252125229815 302550275778 403400367704 504250459630 605100551556 756375689445 806800735408 1008500919260 1210201103112 1512751378890 2017001838520 2420402206224 3025502757780 4034003677040 6051005515560 12102011031120