12315233251321 has 48 divisors (see below), whose sum is σ = 16682081046400. Its totient is φ = 8846584750080.

The previous prime is 12315233251303. The next prime is 12315233251351.

12315233251321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12315233251321 - 2¹⁵ = 12315233218553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12315233251351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7740250 + ... + 9194668.

Almost surely, 2^{12315233251321} is an apocalyptic number.

12315233251321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12315233251321 is a deficient number, since it is larger than the sum of its proper divisors (4366847795079).

12315233251321 is a wasteful number, since it uses less digits than its factorization.

12315233251321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455230 (or 1455219 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

It can be divided in two parts, 1231523 and 3251321, that added together give a palindrome (4482844).

The spelling of 12315233251321 in words is "twelve trillion, three hundred fifteen billion, two hundred thirty-three million, two hundred fifty-one thousand, three hundred twenty-one".