220123425212 has 12 divisors (see below), whose sum is σ = 397642316736. Its totient is φ = 106511334720.

The previous prime is 220123425191. The next prime is 220123425293. The reversal of 220123425212 is 212524321022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887594333 + ... + 887594580.

It is an arithmetic number, because the mean of its divisors is an integer number (33136859728).

Almost surely, 2^220123425212 is an apocalyptic number.

It is an amenable number.

220123425212 is a deficient number, since it is larger than the sum of its proper divisors (177518891524).

220123425212 is a wasteful number, since it uses less digits than its factorization.

220123425212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775188948 (or 1775188946 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 220123425212 its reverse (212524321022), we get a palindrome (432647746234).

The spelling of 220123425212 in words is "two hundred twenty billion, one hundred twenty-three million, four hundred twenty-five thousand, two hundred twelve".