212222020010212 has 48 divisors (see below), whose sum is σ = 379986769642480. Its totient is φ = 103681768531968.

The previous prime is 212222020010201. The next prime is 212222020010227. The reversal of 212222020010212 is 212010020222212.

It can be written as a sum of positive squares in 8 ways, for example, as 48936404647936 + 163285615362276 = 6995456^2 + 12778326^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212222020010212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213802768 + ... + 214793080.

Almost surely, 2^{212222020010212} is an apocalyptic number.

It is an amenable number.

212222020010212 is a deficient number, since it is larger than the sum of its proper divisors (167764749632268).

212222020010212 is a wasteful number, since it uses less digits than its factorization.

212222020010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997232 (or 997230 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212222020010212 its reverse (212010020222212), we get a palindrome (424232040232424).

The spelling of 212222020010212 in words is "two hundred twelve trillion, two hundred twenty-two billion, twenty million, ten thousand, two hundred twelve".