12652555331 has 4 divisors (see below), whose sum is σ = 13625828832. Its totient is φ = 11679281832.

The previous prime is 12652555273. The next prime is 12652555361. The reversal of 12652555331 is 13355525621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13355525621 = 23 ⋅580675027.

It is a cyclic number.

It is not a de Polignac number, because 12652555331 - 2¹⁸ = 12652293187 is a prime.

It is a super-2 number, since 2×12652555331² (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 (12652555361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486636731 + ... + 486636756.

It is an arithmetic number, because the mean of its divisors is an integer number (3406457208).

Almost surely, 2^12652555331 is an apocalyptic number.

12652555331 is a deficient number, since it is larger than the sum of its proper divisors (973273501).

12652555331 is an equidigital number, since it uses as much as digits as its factorization.

12652555331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973273500.

The product of its digits is 135000, while the sum is 38.

The spelling of 12652555331 in words is "twelve billion, six hundred fifty-two million, five hundred fifty-five thousand, three hundred thirty-one".