23331120012 has 24 divisors (see below), whose sum is σ = 60488089200. Its totient is φ = 7777039968.

The previous prime is 23331119993. The next prime is 23331120013. The reversal of 23331120012 is 21002113332.

It is a super-2 number, since 2×23331120012² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23331120013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 108014337 + ... + 108014552.

It is an arithmetic number, because the mean of its divisors is an integer number (2520337050).

Almost surely, 2^23331120012 is an apocalyptic number.

It is an amenable number.

23331120012 is an abundant number, since it is smaller than the sum of its proper divisors (37156969188).

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

23331120012 is a wasteful number, since it uses less digits than its factorization.

23331120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216028902 (or 216028894 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23331120012 its reverse (21002113332), we get a palindrome (44333233344).

It can be divided in two parts, 23331 and 120012, that multiplied together give a palindrome (2799999972).

The spelling of 23331120012 in words is "twenty-three billion, three hundred thirty-one million, one hundred twenty thousand, twelve".