10515624212 has 12 divisors (see below), whose sum is σ = 18749556756. Its totient is φ = 5158608000.

The previous prime is 10515624187. The next prime is 10515624269. The reversal of 10515624212 is 21242651501.

It can be written as a sum of positive squares in 2 ways, for example, as 9556235536 + 959388676 = 97756^2 + 30974^2 .

It is a super-2 number, since 2×10515624212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 24800789 + ... + 24801212.

It is an arithmetic number, because the mean of its divisors is an integer number (1562463063).

Almost surely, 2^10515624212 is an apocalyptic number.

It is an amenable number.

10515624212 is a deficient number, since it is larger than the sum of its proper divisors (8233932544).

10515624212 is a wasteful number, since it uses less digits than its factorization.

10515624212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49602058 (or 49602056 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 10515624212 in words is "ten billion, five hundred fifteen million, six hundred twenty-four thousand, two hundred twelve".