12321052633156 has 24 divisors (see below), whose sum is σ = 22868154719424. Its totient is φ = 5796076075680.

The previous prime is 12321052633147. The next prime is 12321052633193. The reversal of 12321052633156 is 65133625012321.

It is a super-2 number, since 2×12321052633156² (a number of 27 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1097736070 + ... + 1097747293.

It is an arithmetic number, because the mean of its divisors is an integer number (952839779976).

Almost surely, 2^{12321052633156} is an apocalyptic number.

It is an amenable number.

12321052633156 is a deficient number, since it is larger than the sum of its proper divisors (10547102086268).

12321052633156 is a wasteful number, since it uses less digits than its factorization.

12321052633156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195483451 (or 2195483449 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

Adding to 12321052633156 its reverse (65133625012321), we get a palindrome (77454677645477).

The spelling of 12321052633156 in words is "twelve trillion, three hundred twenty-one billion, fifty-two million, six hundred thirty-three thousand, one hundred fifty-six".