212112212220202 has 16 divisors (see below), whose sum is σ = 363622481216640. Its totient is φ = 90904847313168.

The previous prime is 212112212220191. The next prime is 212112212220241. The reversal of 212112212220202 is 202022212211212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28784958 + ... + 35394889.

It is an arithmetic number, because the mean of its divisors is an integer number (22726405076040).

Almost surely, 2^{212112212220202} is an apocalyptic number.

212112212220202 is a deficient number, since it is larger than the sum of its proper divisors (151510268996438).

212112212220202 is a wasteful number, since it uses less digits than its factorization.

212112212220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64415925.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212112212220202 its reverse (202022212211212), we get a palindrome (414134424431414).

The spelling of 212112212220202 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twelve million, two hundred twenty thousand, two hundred two".