212346455052 has 12 divisors (see below), whose sum is σ = 495475061816. Its totient is φ = 70782151680.

The previous prime is 212346455033. The next prime is 212346455093. The reversal of 212346455052 is 250554643212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 212346455052.

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, 8847768949 + ... + 8847768972.

Almost surely, 2^212346455052 is an apocalyptic number.

It is an amenable number.

212346455052 is an abundant number, since it is smaller than the sum of its proper divisors (283128606764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212346455052 is a wasteful number, since it uses less digits than its factorization.

212346455052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17695537928 (or 17695537926 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 212346455052 in words is "two hundred twelve billion, three hundred forty-six million, four hundred fifty-five thousand, fifty-two".