1231113200232 has 64 divisors (see below), whose sum is σ = 3161267478720. Its totient is φ = 399241916928.

The previous prime is 1231113200189. The next prime is 1231113200257. The reversal of 1231113200232 is 2320023111321.

It is a junction number, because it is equal to n+sod(n) for n = 1231113200199 and 1231113200208.

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, 10149043 + ... + 10269629.

It is an arithmetic number, because the mean of its divisors is an integer number (49394804355).

Almost surely, 2^{1231113200232} is an apocalyptic number.

1231113200232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231113200232 is an abundant number, since it is smaller than the sum of its proper divisors (1930154278488).

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

1231113200232 is a wasteful number, since it uses less digits than its factorization.

1231113200232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132130 (or 132126 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1231113200232 its reverse (2320023111321), we get a palindrome (3551136311553).

The spelling of 1231113200232 in words is "one trillion, two hundred thirty-one billion, one hundred thirteen million, two hundred thousand, two hundred thirty-two".