212222162765682 has 12 divisors (see below), whose sum is σ = 459814685992350. Its totient is φ = 70740720921888.

The previous prime is 212222162765671. The next prime is 212222162765689. The reversal of 212222162765682 is 286567261222212.

212222162765682 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 2 + 2 + 1 + 6 + 2 + 76 + 568 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 113854427127081 + 98367735638601 = 10670259^2 + 9918051^2 .

It is a super-4 number, since 4×212222162765682⁴ (a number of 58 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (212222162765689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5895060076807 + ... + 5895060076842.

Almost surely, 2^{212222162765682} is an apocalyptic number.

212222162765682 is an abundant number, since it is smaller than the sum of its proper divisors (247592523226668).

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

212222162765682 is a wasteful number, since it uses less digits than its factorization.

212222162765682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11790120153657 (or 11790120153654 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 212222162765682 in words is "two hundred twelve trillion, two hundred twenty-two billion, one hundred sixty-two million, seven hundred sixty-five thousand, six hundred eighty-two".