10212567652 has 18 divisors (see below), whose sum is σ = 20789870262. Its totient is φ = 4376814624.

The previous prime is 10212567643. The next prime is 10212567679. The reversal of 10212567652 is 25676521201.

It can be written as a sum of positive squares in only one way, i.e., 10093015296 + 119552356 = 100464^2 + 10934^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26052273 + ... + 26052664.

Almost surely, 2^10212567652 is an apocalyptic number.

It is an amenable number.

10212567652 is an abundant number, since it is smaller than the sum of its proper divisors (10577302610).

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

10212567652 is a wasteful number, since it uses less digits than its factorization.

10212567652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52104955 (or 52104946 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 10212567652 in words is "ten billion, two hundred twelve million, five hundred sixty-seven thousand, six hundred fifty-two".