212265087579 has 48 divisors (see below), whose sum is σ = 312964637440. Its totient is φ = 138612565440.

The previous prime is 212265087577. The next prime is 212265087581. The reversal of 212265087579 is 975780562212.

212265087579 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 65 + 0 + 8 + 7 + 579 = 666.

It is an interprime number because it is at equal distance from previous prime (212265087577) and next prime (212265087581).

It is not a de Polignac number, because 212265087579 - 2¹ = 212265087577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212265087577) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36462489 + ... + 36468309.

Almost surely, 2^212265087579 is an apocalyptic number.

212265087579 is a deficient number, since it is larger than the sum of its proper divisors (100699549861).

212265087579 is a wasteful number, since it uses less digits than its factorization.

212265087579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352 (or 6349 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 212265087579 in words is "two hundred twelve billion, two hundred sixty-five million, eighty-seven thousand, five hundred seventy-nine".