12320002012331 has 16 divisors (see below), whose sum is σ = 13274292786720. Its totient is φ = 11366655091200.

The previous prime is 12320002012309. The next prime is 12320002012333. The reversal of 12320002012331 is 13321020002321.

It is a cyclic number.

It is not a de Polignac number, because 12320002012331 - 2⁶ = 12320002012267 is a prime.

It is a super-2 number, since 2×12320002012331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320002012333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304229921 + ... + 304270413.

It is an arithmetic number, because the mean of its divisors is an integer number (829643299170).

Almost surely, 2^{12320002012331} is an apocalyptic number.

12320002012331 is a deficient number, since it is larger than the sum of its proper divisors (954290774389).

12320002012331 is a wasteful number, since it uses less digits than its factorization.

12320002012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51566.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12320002012331 its reverse (13321020002321), we get a palindrome (25641022014652).

The spelling of 12320002012331 in words is "twelve trillion, three hundred twenty billion, two million, twelve thousand, three hundred thirty-one".