12254853487 has 16 divisors (see below), whose sum is σ = 12695719680. Its totient is φ = 11824135488.

The previous prime is 12254853473. The next prime is 12254853521. The reversal of 12254853487 is 78435845221.

It is a cyclic number.

It is not a de Polignac number, because 12254853487 - 2²⁷ = 12120635759 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 12254853487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12254857487) 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, 628438 + ... + 647644.

It is an arithmetic number, because the mean of its divisors is an integer number (793482480).

Almost surely, 2^12254853487 is an apocalyptic number.

12254853487 is a deficient number, since it is larger than the sum of its proper divisors (440866193).

12254853487 is a wasteful number, since it uses less digits than its factorization.

12254853487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19470.

The product of its digits is 2150400, while the sum is 49.

The spelling of 12254853487 in words is "twelve billion, two hundred fifty-four million, eight hundred fifty-three thousand, four hundred eighty-seven".