1232131302129 has 128 divisors (see below), whose sum is σ = 2062900224000. Its totient is φ = 636925685760.

The previous prime is 1232131302107. The next prime is 1232131302137. The reversal of 1232131302129 is 9212031312321.

It is not a de Polignac number, because 1232131302129 - 2⁷ = 1232131302001 is a prime.

It is a super-2 number, since 2×1232131302129² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1232131302096 and 1232131302105.

It is not an unprimeable number, because it can be changed into a prime (1232131302169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2056980172 + ... + 2056980770.

It is an arithmetic number, because the mean of its divisors is an integer number (16116408000).

Almost surely, 2^{1232131302129} is an apocalyptic number.

It is an amenable number.

1232131302129 is a deficient number, since it is larger than the sum of its proper divisors (830768921871).

1232131302129 is a wasteful number, since it uses less digits than its factorization.

1232131302129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 1232131302129 in words is "one trillion, two hundred thirty-two billion, one hundred thirty-one million, three hundred two thousand, one hundred twenty-nine".