12031022253321 has 24 divisors (see below), whose sum is σ = 17464660294536. Its totient is φ = 7980835983360.

The previous prime is 12031022253319. The next prime is 12031022253329. The reversal of 12031022253321 is 12335222013021.

12031022253321 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 102 + 2 + 2 + 533 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6842467187721 + 5188555065600 = 2615811^2 + 2277840^2 .

It is not a de Polignac number, because 12031022253321 - 2¹ = 12031022253319 is a prime.

It is a super-2 number, since 2×12031022253321² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12031022253329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1868490 + ... + 5249123.

It is an arithmetic number, because the mean of its divisors is an integer number (727694178939).

Almost surely, 2^{12031022253321} is an apocalyptic number.

It is an amenable number.

12031022253321 is a deficient number, since it is larger than the sum of its proper divisors (5433638041215).

12031022253321 is a wasteful number, since it uses less digits than its factorization.

12031022253321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7118553 (or 7118550 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 12031022253321 its reverse (12335222013021), we get a palindrome (24366244266342).

The spelling of 12031022253321 in words is "twelve trillion, thirty-one billion, twenty-two million, two hundred fifty-three thousand, three hundred twenty-one".