12220000023 has 16 divisors (see below), whose sum is σ = 20313766656. Its totient is φ = 6348051840.

The previous prime is 12219999977. The next prime is 12220000057. The reversal of 12220000023 is 32000002221.

It is not a de Polignac number, because 12220000023 - 2²⁵ = 12186445591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12219999963 and 12220000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220000063) 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 15 ways as a sum of consecutive naturals, for example, 26449986 + ... + 26450447.

It is an arithmetic number, because the mean of its divisors is an integer number (1269610416).

Almost surely, 2^12220000023 is an apocalyptic number.

12220000023 is a deficient number, since it is larger than the sum of its proper divisors (8093766633).

12220000023 is a wasteful number, since it uses less digits than its factorization.

12220000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52900454.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 12220000023 its reverse (32000002221), we get a palindrome (44220002244).

The spelling of 12220000023 in words is "twelve billion, two hundred twenty million, twenty-three", and thus it is an aban number.