212352056804 has 12 divisors (see below), whose sum is σ = 372099350700. Its totient is φ = 106037956608.

The previous prime is 212352056789. The next prime is 212352056827. The reversal of 212352056804 is 408650253212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 156656056804 + 55696000000 = 395798^2 + 236000^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34514489 + ... + 34520640.

It is an arithmetic number, because the mean of its divisors is an integer number (31008279225).

Almost surely, 2^212352056804 is an apocalyptic number.

It is an amenable number.

212352056804 is a deficient number, since it is larger than the sum of its proper divisors (159747293896).

212352056804 is a wasteful number, since it uses less digits than its factorization.

212352056804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69035902 (or 69035900 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 212352056804 in words is "two hundred twelve billion, three hundred fifty-two million, fifty-six thousand, eight hundred four".