212065556504 has 32 divisors (see below), whose sum is σ = 412600573440. Its totient is φ = 102108199200.

The previous prime is 212065556491. The next prime is 212065556543. The reversal of 212065556504 is 405655560212.

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, 4316912 + ... + 4365759.

It is an arithmetic number, because the mean of its divisors is an integer number (12893767920).

Almost surely, 2^212065556504 is an apocalyptic number.

It is an amenable number.

212065556504 is a deficient number, since it is larger than the sum of its proper divisors (200535016936).

212065556504 is a wasteful number, since it uses less digits than its factorization.

212065556504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8682791 (or 8682787 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 212065556504 in words is "two hundred twelve billion, sixty-five million, five hundred fifty-six thousand, five hundred four".