212506774600 has 48 divisors (see below), whose sum is σ = 494168371200. Its totient is φ = 84987205440.

The previous prime is 212506774591. The next prime is 212506774643. The reversal of 212506774600 is 6477605212.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035321 + ... + 1223479.

It is an arithmetic number, because the mean of its divisors is an integer number (10295174400).

Almost surely, 2^212506774600 is an apocalyptic number.

212506774600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212506774600 is an abundant number, since it is smaller than the sum of its proper divisors (281661596600).

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

212506774600 is a wasteful number, since it uses less digits than its factorization.

212506774600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193822 (or 193813 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 212506774600 in words is "two hundred twelve billion, five hundred six million, seven hundred seventy-four thousand, six hundred".