212245651204 has 24 divisors (see below), whose sum is σ = 373966715808. Its totient is φ = 105400416000.

The previous prime is 212245651183. The next prime is 212245651213. The reversal of 212245651204 is 402156542212.

212245651204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212245651204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54979 + ... + 653845.

It is an arithmetic number, because the mean of its divisors is an integer number (15581946492).

Almost surely, 2^212245651204 is an apocalyptic number.

It is an amenable number.

212245651204 is a deficient number, since it is larger than the sum of its proper divisors (161721064604).

212245651204 is a wasteful number, since it uses less digits than its factorization.

212245651204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599475 (or 599473 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 212245651204 in words is "two hundred twelve billion, two hundred forty-five million, six hundred fifty-one thousand, two hundred four".