231862281112512 has 448 divisors, whose sum is σ = 717268269864960. Its totient is φ = 73354082070528.

The previous prime is 231862281112487. The next prime is 231862281112543. The reversal of 231862281112512 is 215211182268132.

231862281112512 is a `hidden beast` number, since 2 + 3 + 1 + 8 + 622 + 8 + 1 + 1 + 1 + 2 + 5 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2125114153 + ... + 2125223255.

Almost surely, 2^{231862281112512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231862281112512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358634134932480).

231862281112512 is an abundant number, since it is smaller than the sum of its proper divisors (485405988752448).

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

231862281112512 is a wasteful number, since it uses less digits than its factorization.

231862281112512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109977 (or 109961 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The spelling of 231862281112512 in words is "two hundred thirty-one trillion, eight hundred sixty-two billion, two hundred eighty-one million, one hundred twelve thousand, five hundred twelve".