22012020120213 has 6 divisors (see below), whose sum is σ = 31795140173654. Its totient is φ = 14674680080136.

The previous prime is 22012020120143. The next prime is 22012020120247. The reversal of 22012020120213 is 31202102021022.

22012020120213 is a `hidden beast` number, since 220 + 12 + 0 + 201 + 20 + 213 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21805378962129 + 206641158084 = 4669623^2 + 454578^2 .

It is not a de Polignac number, because 22012020120213 - 2⁹ = 22012020119701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012020120253) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1222890006670 + ... + 1222890006687.

Almost surely, 2^{22012020120213} is an apocalyptic number.

It is an amenable number.

22012020120213 is a deficient number, since it is larger than the sum of its proper divisors (9783120053441).

22012020120213 is a wasteful number, since it uses less digits than its factorization.

22012020120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445780013363 (or 2445780013360 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22012020120213 its reverse (31202102021022), we get a palindrome (53214122141235).

The spelling of 22012020120213 in words is "twenty-two trillion, twelve billion, twenty million, one hundred twenty thousand, two hundred thirteen".