812114635900 has 54 divisors (see below), whose sum is σ = 1784772242960. Its totient is φ = 320702247840.

The previous prime is 812114635897. The next prime is 812114635919. The reversal of 812114635900 is 9536411218.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 80093031 + ... + 80103169.

Almost surely, 2^812114635900 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 812114635900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892386121480).

812114635900 is an abundant number, since it is smaller than the sum of its proper divisors (972657607060).

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

812114635900 is an equidigital number, since it uses as much as digits as its factorization.

812114635900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20371 (or 10225 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 812114635900 in words is "eight hundred twelve billion, one hundred fourteen million, six hundred thirty-five thousand, nine hundred".