1231202231232 has 56 divisors (see below), whose sum is σ = 3275553542352. Its totient is φ = 408133324800.

The previous prime is 1231202231221. The next prime is 1231202231249. The reversal of 1231202231232 is 2321322021321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17679369 + ... + 17748872.

It is an arithmetic number, because the mean of its divisors is an integer number (58492027542).

Almost surely, 2^{1231202231232} is an apocalyptic number.

1231202231232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231202231232 is an abundant number, since it is smaller than the sum of its proper divisors (2044351311120).

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

1231202231232 is a wasteful number, since it uses less digits than its factorization.

1231202231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35428437 (or 35428427 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1231202231232 its reverse (2321322021321), we get a palindrome (3552524252553).

The spelling of 1231202231232 in words is "one trillion, two hundred thirty-one billion, two hundred two million, two hundred thirty-one thousand, two hundred thirty-two".