212598331252 has 6 divisors (see below), whose sum is σ = 372047079698. Its totient is φ = 106299165624.

The previous prime is 212598331241. The next prime is 212598331271. The reversal of 212598331252 is 252133895212.

It can be written as a sum of positive squares in only one way, i.e., 188500115556 + 24098215696 = 434166^2 + 155236^2 .

It is a super-2 number, since 2×212598331252² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212598331199 and 212598331208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26574791403 + ... + 26574791410.

Almost surely, 2^212598331252 is an apocalyptic number.

It is an amenable number.

212598331252 is a deficient number, since it is larger than the sum of its proper divisors (159448748446).

212598331252 is a wasteful number, since it uses less digits than its factorization.

212598331252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53149582817 (or 53149582815 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The spelling of 212598331252 in words is "two hundred twelve billion, five hundred ninety-eight million, three hundred thirty-one thousand, two hundred fifty-two".