12102421233 has 16 divisors (see below), whose sum is σ = 18443321216. Its totient is φ = 6915093120.

The previous prime is 12102421189. The next prime is 12102421273. The reversal of 12102421233 is 33212420121.

12102421233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12102421233 - 2⁸ = 12102420977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102421273) 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 15 ways as a sum of consecutive naturals, for example, 488403 + ... + 512583.

It is an arithmetic number, because the mean of its divisors is an integer number (1152707576).

Almost surely, 2^12102421233 is an apocalyptic number.

It is an amenable number.

12102421233 is a deficient number, since it is larger than the sum of its proper divisors (6340899983).

12102421233 is a wasteful number, since it uses less digits than its factorization.

12102421233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48024.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12102421233 its reverse (33212420121), we get a palindrome (45314841354).

The spelling of 12102421233 in words is "twelve billion, one hundred two million, four hundred twenty-one thousand, two hundred thirty-three".