23120211131212 has 12 divisors (see below), whose sum is σ = 43572705593536. Its totient is φ = 10670866675920.

The previous prime is 23120211131201. The next prime is 23120211131323. The reversal of 23120211131212 is 21213111202132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222309722364 + ... + 222309722467.

Almost surely, 2^{23120211131212} is an apocalyptic number.

It is an amenable number.

23120211131212 is a deficient number, since it is larger than the sum of its proper divisors (20452494462324).

23120211131212 is a wasteful number, since it uses less digits than its factorization.

23120211131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444619444848 (or 444619444846 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 23120211131212 its reverse (21213111202132), we get a palindrome (44333322333344).

The spelling of 23120211131212 in words is "twenty-three trillion, one hundred twenty billion, two hundred eleven million, one hundred thirty-one thousand, two hundred twelve".