212516606524 has 12 divisors (see below), whose sum is σ = 383900966848. Its totient is φ = 102830616000.

The previous prime is 212516606473. The next prime is 212516606531. The reversal of 212516606524 is 425606615212.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 856921677 + ... + 856921924.

Almost surely, 2^212516606524 is an apocalyptic number.

It is an amenable number.

212516606524 is a deficient number, since it is larger than the sum of its proper divisors (171384360324).

212516606524 is a wasteful number, since it uses less digits than its factorization.

212516606524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713843636 (or 1713843634 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 212516606524 in words is "two hundred twelve billion, five hundred sixteen million, six hundred six thousand, five hundred twenty-four".