12152585212671 has 4 divisors (see below), whose sum is σ = 16203446950232. Its totient is φ = 8101723475112.

The previous prime is 12152585212657. The next prime is 12152585212687. The reversal of 12152585212671 is 17621258525121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12152585212671 - 2²⁹ = 12152048341759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12152585212671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152585212601) 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, 2025430868776 + ... + 2025430868781.

It is an arithmetic number, because the mean of its divisors is an integer number (4050861737558).

Almost surely, 2^{12152585212671} is an apocalyptic number.

12152585212671 is a deficient number, since it is larger than the sum of its proper divisors (4050861737561).

12152585212671 is an equidigital number, since it uses as much as digits as its factorization.

12152585212671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050861737560.

The product of its digits is 672000, while the sum is 48.

The spelling of 12152585212671 in words is "twelve trillion, one hundred fifty-two billion, five hundred eighty-five million, two hundred twelve thousand, six hundred seventy-one".