12023122012 has 48 divisors (see below), whose sum is σ = 23221233504. Its totient is φ = 5401440000.

The previous prime is 12023121989. The next prime is 12023122063. The reversal of 12023122012 is 21022132021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2935438 + ... + 2939530.

It is an arithmetic number, because the mean of its divisors is an integer number (483775698).

Almost surely, 2^12023122012 is an apocalyptic number.

It is an amenable number.

12023122012 is a deficient number, since it is larger than the sum of its proper divisors (11198111492).

12023122012 is a wasteful number, since it uses less digits than its factorization.

12023122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4870 (or 4868 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12023122012 its reverse (21022132021), we get a palindrome (33045254033).

It can be divided in two parts, 120 and 23122012, that added together give a palindrome (23122132).

The spelling of 12023122012 in words is "twelve billion, twenty-three million, one hundred twenty-two thousand, twelve".