12132210021 has 32 divisors (see below), whose sum is σ = 17216546688. Its totient is φ = 7573063680.

The previous prime is 12132209989. The next prime is 12132210047. The reversal of 12132210021 is 12001223121.

12132210021 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 12132210021 - 2⁵ = 12132209989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132210071) 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 31 ways as a sum of consecutive naturals, for example, 11744121 + ... + 11745153.

It is an arithmetic number, because the mean of its divisors is an integer number (538017084).

Almost surely, 2^12132210021 is an apocalyptic number.

It is an amenable number.

12132210021 is a deficient number, since it is larger than the sum of its proper divisors (5084336667).

12132210021 is a wasteful number, since it uses less digits than its factorization.

12132210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12132210021 its reverse (12001223121), we get a palindrome (24133433142).

The spelling of 12132210021 in words is "twelve billion, one hundred thirty-two million, two hundred ten thousand, twenty-one".