1231995002232 has 16 divisors (see below), whose sum is σ = 3079987505640. Its totient is φ = 410665000736.

The previous prime is 1231995002111. The next prime is 1231995002261. The reversal of 1231995002232 is 2322005991321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25666562523 + ... + 25666562570.

Almost surely, 2^{1231995002232} is an apocalyptic number.

1231995002232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231995002232 is an abundant number, since it is smaller than the sum of its proper divisors (1847992503408).

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

1231995002232 is a wasteful number, since it uses less digits than its factorization.

1231995002232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51333125102 (or 51333125098 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 1231995002232 in words is "one trillion, two hundred thirty-one billion, nine hundred ninety-five million, two thousand, two hundred thirty-two".