22012012212008 has 32 divisors (see below), whose sum is σ = 50796951260160. Its totient is φ = 8708048786880.

The previous prime is 22012012211951. The next prime is 22012012212023. The reversal of 22012012212008 is 80021221021022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15118139528 + ... + 15118140983.

It is an arithmetic number, because the mean of its divisors is an integer number (1587404726880).

Almost surely, 2^{22012012212008} is an apocalyptic number.

22012012212008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22012012212008 is an abundant number, since it is smaller than the sum of its proper divisors (28784939048152).

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

22012012212008 is a wasteful number, since it uses less digits than its factorization.

22012012212008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30236280537 (or 30236280533 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The spelling of 22012012212008 in words is "twenty-two trillion, twelve billion, twelve million, two hundred twelve thousand, eight".