12320131031000 has 128 divisors (see below), whose sum is σ = 32680769284800. Its totient is φ = 4309551820800.

The previous prime is 12320131030973. The next prime is 12320131031027. The reversal of 12320131031000 is 13013102321.

It is an interprime number because it is at equal distance from previous prime (12320131030973) and next prime (12320131031027).

It is a super-2 number, since 2×12320131031000² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12320131031000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24692537 + ... + 25186536.

Almost surely, 2^{12320131031000} is an apocalyptic number.

12320131031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320131031000 is an abundant number, since it is smaller than the sum of its proper divisors (20360638253800).

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

12320131031000 is a wasteful number, since it uses less digits than its factorization.

12320131031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49879126 (or 49879112 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12320131031000 its reverse (13013102321), we get a palindrome (12333144133321).

The spelling of 12320131031000 in words is "twelve trillion, three hundred twenty billion, one hundred thirty-one million, thirty-one thousand".