12321002131022 has 64 divisors (see below), whose sum is σ = 20397081930624. Its totient is φ = 5547221729280.

The previous prime is 12321002130971. The next prime is 12321002131037. The reversal of 12321002131022 is 22013120012321.

It is a junction number, because it is equal to n+sod(n) for n = 12321002130985 and 12321002131003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909090998 + ... + 909104550.

It is an arithmetic number, because the mean of its divisors is an integer number (318704405166).

Almost surely, 2^{12321002131022} is an apocalyptic number.

12321002131022 is a deficient number, since it is larger than the sum of its proper divisors (8076079799602).

12321002131022 is a wasteful number, since it uses less digits than its factorization.

12321002131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18813.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12321002131022 its reverse (22013120012321), we get a palindrome (34334122143343).

The spelling of 12321002131022 in words is "twelve trillion, three hundred twenty-one billion, two million, one hundred thirty-one thousand, twenty-two".