212530453252 has 24 divisors (see below), whose sum is σ = 400631153216. Its totient is φ = 98068205088.

The previous prime is 212530453243. The next prime is 212530453321. The reversal of 212530453252 is 252354035212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247278 + ... + 697285.

Almost surely, 2^212530453252 is an apocalyptic number.

It is an amenable number.

212530453252 is a deficient number, since it is larger than the sum of its proper divisors (188100699964).

212530453252 is a wasteful number, since it uses less digits than its factorization.

212530453252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948907 (or 948905 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 212530453252 its reverse (252354035212), we get a palindrome (464884488464).

The spelling of 212530453252 in words is "two hundred twelve billion, five hundred thirty million, four hundred fifty-three thousand, two hundred fifty-two".