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112121111001012 = 22343321578350847
BaseRepresentation
bin11001011111100100111010…
…111111100011011110110100
3112200222200012000002221110020
4121133210322333203132310
5104143443013404013022
61034243421033525140
732421324436532211
oct3137447277433664
9480880160087406
10112121111001012
11327a8329194653
12106a99a52737b0
134a73c8ac52c29
141d989954dab08
15ce67d9ea135c
hex65f93afe37b4

112121111001012 has 24 divisors (see below), whose sum is σ = 262220119504896. Its totient is φ = 37287390261888.

The previous prime is 112121111000981. The next prime is 112121111001059. The reversal of 112121111001012 is 210100111121211.

It is a super-2 number, since 2×1121211110010122 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112121111000982 and 112121111001000.

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, 10789170228 + ... + 10789180619.

It is an arithmetic number, because the mean of its divisors is an integer number (10925838312704).

Almost surely, 2112121111001012 is an apocalyptic number.

112121111001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112121111001012 is an abundant number, since it is smaller than the sum of its proper divisors (150099008503884).

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

112121111001012 is a wasteful number, since it uses less digits than its factorization.

112121111001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21578351287 (or 21578351285 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 112121111001012 its reverse (210100111121211), we get a palindrome (322221222122223).

The spelling of 112121111001012 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred eleven million, one thousand, twelve".

Divisors: 1 2 3 4 6 12 433 866 1299 1732 2598 5196 21578350847 43156701694 64735052541 86313403388 129470105082 258940210164 9343425916751 18686851833502 28030277750253 37373703667004 56060555500506 112121111001012