202012222212212 has 36 divisors (see below), whose sum is σ = 376376415086700. Its totient is φ = 94852849803264.

The previous prime is 202012222212103. The next prime is 202012222212223. The reversal of 202012222212212 is 212212222210202.

It can be written as a sum of positive squares in 6 ways, for example, as 61491255156496 + 140520967055716 = 7841636^2 + 11854154^2 .

It is a super-2 number, since 2×202012222212212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194081243 + ... + 195119330.

It is an arithmetic number, because the mean of its divisors is an integer number (10454900419075).

Almost surely, 2^{202012222212212} is an apocalyptic number.

It is an amenable number.

202012222212212 is a deficient number, since it is larger than the sum of its proper divisors (174364192874488).

202012222212212 is a wasteful number, since it uses less digits than its factorization.

202012222212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389201060 (or 389201041 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 202012222212212 its reverse (212212222210202), we get a palindrome (414224444422414).

The spelling of 202012222212212 in words is "two hundred two trillion, twelve billion, two hundred twenty-two million, two hundred twelve thousand, two hundred twelve".