12232032210021 has 16 divisors (see below), whose sum is σ = 17564011363136. Its totient is φ = 7527375432576.

The previous prime is 12232032210001. The next prime is 12232032210023. The reversal of 12232032210021 is 12001223023221.

It is not a de Polignac number, because 12232032210021 - 2¹⁴ = 12232032193637 is a prime.

It is a super-2 number, since 2×12232032210021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12232032210021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232032210023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14301186 + ... + 15132348.

It is an arithmetic number, because the mean of its divisors is an integer number (1097750710196).

Almost surely, 2^{12232032210021} is an apocalyptic number.

It is an amenable number.

12232032210021 is a deficient number, since it is larger than the sum of its proper divisors (5331979153115).

12232032210021 is a wasteful number, since it uses less digits than its factorization.

12232032210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208532.

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

Adding to 12232032210021 its reverse (12001223023221), we get a palindrome (24233255233242).

The spelling of 12232032210021 in words is "twelve trillion, two hundred thirty-two billion, thirty-two million, two hundred ten thousand, twenty-one".