23100120012 has 96 divisors (see below), whose sum is σ = 57266334720. Its totient is φ = 7231783680.

The previous prime is 23100120007. The next prime is 23100120049. The reversal of 23100120012 is 21002100132.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 23100120012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15471538 + ... + 15473030.

It is an arithmetic number, because the mean of its divisors is an integer number (596524320).

Almost surely, 2^23100120012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23100120012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28633167360).

23100120012 is an abundant number, since it is smaller than the sum of its proper divisors (34166214708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23100120012 is a wasteful number, since it uses less digits than its factorization.

23100120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503 (or 2501 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 23100120012 its reverse (21002100132), we get a palindrome (44102220144).

The spelling of 23100120012 in words is "twenty-three billion, one hundred million, one hundred twenty thousand, twelve".