12031511553340 has 48 divisors (see below), whose sum is σ = 25512517675008. Its totient is φ = 4765685880384.

The previous prime is 12031511553331. The next prime is 12031511553367. The reversal of 12031511553340 is 4335511513021.

It is a junction number, because it is equal to n+sod(n) for n = 12031511553296 and 12031511553305.

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, 57045319 + ... + 57255841.

It is an arithmetic number, because the mean of its divisors is an integer number (531510784896).

Almost surely, 2^{12031511553340} is an apocalyptic number.

12031511553340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031511553340 is an abundant number, since it is smaller than the sum of its proper divisors (13481006121668).

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

12031511553340 is a wasteful number, since it uses less digits than its factorization.

12031511553340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238378 (or 238376 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 12031511553340 in words is "twelve trillion, thirty-one billion, five hundred eleven million, five hundred fifty-three thousand, three hundred forty".