212631791600 has 30 divisors (see below), whose sum is σ = 510847880280. Its totient is φ = 85052716480.

The previous prime is 212631791591. The next prime is 212631791627. The reversal of 212631791600 is 6197136212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265789340 + ... + 265790139.

It is an arithmetic number, because the mean of its divisors is an integer number (17028262676).

Almost surely, 2^212631791600 is an apocalyptic number.

212631791600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212631791600 is an abundant number, since it is smaller than the sum of its proper divisors (298216088680).

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

212631791600 is a wasteful number, since it uses less digits than its factorization.

212631791600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531579497 (or 531579486 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 212631791600 in words is "two hundred twelve billion, six hundred thirty-one million, seven hundred ninety-one thousand, six hundred".