212020111200122 has 16 divisors (see below), whose sum is σ = 336738554209512. Its totient is φ = 99773953520640.

The previous prime is 212020111200089. The next prime is 212020111200133. The reversal of 212020111200122 is 221002111020212.

It can be written as a sum of positive squares in 4 ways, for example, as 198203345697841 + 13816765502281 = 14078471^2 + 3717091^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 212020111200122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9720578 + ... + 22771250.

Almost surely, 2^{212020111200122} is an apocalyptic number.

212020111200122 is a deficient number, since it is larger than the sum of its proper divisors (124718443009390).

212020111200122 is a wasteful number, since it uses less digits than its factorization.

212020111200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13528513.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212020111200122 its reverse (221002111020212), we get a palindrome (433022222220334).

The spelling of 212020111200122 in words is "two hundred twelve trillion, twenty billion, one hundred eleven million, two hundred thousand, one hundred twenty-two".