12366552331 has 24 divisors (see below), whose sum is σ = 14896535040. Its totient is φ = 10224144000.

The previous prime is 12366552313. The next prime is 12366552427. The reversal of 12366552331 is 13325566321.

It is not a de Polignac number, because 12366552331 - 2¹³ = 12366544139 is a prime.

It is a super-2 number, since 2×12366552331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12366552031) 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, 1631791 + ... + 1639351.

It is an arithmetic number, because the mean of its divisors is an integer number (620688960).

Almost surely, 2^12366552331 is an apocalyptic number.

12366552331 is a deficient number, since it is larger than the sum of its proper divisors (2529982709).

12366552331 is a wasteful number, since it uses less digits than its factorization.

12366552331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8755 (or 8748 counting only the distinct ones).

The product of its digits is 97200, while the sum is 37.

The spelling of 12366552331 in words is "twelve billion, three hundred sixty-six million, five hundred fifty-two thousand, three hundred thirty-one".