23321112212 has 24 divisors (see below), whose sum is σ = 41435489256. Its totient is φ = 11483716608.

The previous prime is 23321112209. The next prime is 23321112229. The reversal of 23321112212 is 21221112332.

It can be written as a sum of positive squares in 4 ways, for example, as 614841616 + 22706270596 = 24796^2 + 150686^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 93353 + ... + 235280.

It is an arithmetic number, because the mean of its divisors is an integer number (1726478719).

Almost surely, 2^23321112212 is an apocalyptic number.

It is an amenable number.

23321112212 is a deficient number, since it is larger than the sum of its proper divisors (18114377044).

23321112212 is a wasteful number, since it uses less digits than its factorization.

23321112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328907 (or 328905 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 23321112212 its reverse (21221112332), we get a palindrome (44542224544).

The spelling of 23321112212 in words is "twenty-three billion, three hundred twenty-one million, one hundred twelve thousand, two hundred twelve".