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1232131021132 = 2211311144378941
BaseRepresentation
bin10001111011100000101…
…110110101100101001100
311100210100022220002210011
4101323200232311211030
5130141401020134012
62342011055523004
7155006232606334
oct21734056654514
94323308802704
101232131021132
114355a8926910
1217a966229464
138c26030c64b
14438c79b60c4
15220b59581a7
hex11ee0bb594c

1232131021132 has 48 divisors (see below), whose sum is σ = 2428372122624. Its totient is φ = 541938888000.

The previous prime is 1232131021129. The next prime is 1232131021157. The reversal of 1232131021132 is 2311201312321.

It is a super-2 number, since 2×12321310211322 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 15568782 + ... + 15647722.

It is an arithmetic number, because the mean of its divisors is an integer number (50591085888).

Almost surely, 21232131021132 is an apocalyptic number.

It is an amenable number.

1232131021132 is a deficient number, since it is larger than the sum of its proper divisors (1196241101492).

1232131021132 is a wasteful number, since it uses less digits than its factorization.

1232131021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90430 (or 90428 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1232131021132 its reverse (2311201312321), we get a palindrome (3543332333453).

The spelling of 1232131021132 in words is "one trillion, two hundred thirty-two billion, one hundred thirty-one million, twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 31 44 62 124 341 682 1364 11443 22886 45772 78941 125873 157882 251746 315764 354733 503492 709466 868351 1418932 1736702 2447171 3473404 3902063 4894342 7804126 9788684 15608252 26918881 53837762 107675524 903321863 1806643726 3613287452 9936540493 19873080986 28002977753 39746161972 56005955506 112011911012 308032755283 616065510566 1232131021132