1231683725028 has 48 divisors (see below), whose sum is σ = 3033170336000. Its totient is φ = 387926467488.

The previous prime is 1231683725021. The next prime is 1231683725089. The reversal of 1231683725028 is 8205273861321.

It is not an unprimeable number, because it can be changed into a prime (1231683725021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7040398 + ... + 7213221.

Almost surely, 2^{1231683725028} is an apocalyptic number.

It is an amenable number.

1231683725028 is an abundant number, since it is smaller than the sum of its proper divisors (1801486610972).

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

1231683725028 is a wasteful number, since it uses less digits than its factorization.

1231683725028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14254024 (or 14254022 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 1231683725028 in words is "one trillion, two hundred thirty-one billion, six hundred eighty-three million, seven hundred twenty-five thousand, twenty-eight".