212561750600 has 48 divisors (see below), whose sum is σ = 495765227700. Its totient is φ = 84756458240.

The previous prime is 212561750567. The next prime is 212561750603. The reversal of 212561750600 is 6057165212.

It can be written as a sum of positive squares in 6 ways, for example, as 8776317124 + 203785433476 = 93682^2 + 451426^2 .

It is not an unprimeable number, because it can be changed into a prime (212561750603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1612955 + ... + 1739754.

Almost surely, 2^212561750600 is an apocalyptic number.

212561750600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212561750600 is an abundant number, since it is smaller than the sum of its proper divisors (283203477100).

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

212561750600 is a wasteful number, since it uses less digits than its factorization.

212561750600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353042 (or 3353033 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 212561750600 in words is "two hundred twelve billion, five hundred sixty-one million, seven hundred fifty thousand, six hundred".