212104242652 has 24 divisors (see below), whose sum is σ = 399459589200. Its totient is φ = 98177468160.

The previous prime is 212104242613. The next prime is 212104242677. The reversal of 212104242652 is 256242401212.

It is a congruent number.

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, 25562902 + ... + 25571197.

It is an arithmetic number, because the mean of its divisors is an integer number (16644149550).

Almost surely, 2^212104242652 is an apocalyptic number.

It is an amenable number.

212104242652 is a deficient number, since it is larger than the sum of its proper divisors (187355346548).

212104242652 is a wasteful number, since it uses less digits than its factorization.

212104242652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51134181 (or 51134179 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 212104242652 its reverse (256242401212), we get a palindrome (468346643864).

The spelling of 212104242652 in words is "two hundred twelve billion, one hundred four million, two hundred forty-two thousand, six hundred fifty-two".