12371894989 has 8 divisors (see below), whose sum is σ = 12432816000. Its totient is φ = 12311050752.

The previous prime is 12371894987. The next prime is 12371895047. The reversal of 12371894989 is 98949817321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12371894989 - 2¹ = 12371894987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12371894981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318382 + ... + 355120.

It is an arithmetic number, because the mean of its divisors is an integer number (1554102000).

Almost surely, 2^12371894989 is an apocalyptic number.

It is an amenable number.

12371894989 is a deficient number, since it is larger than the sum of its proper divisors (60921011).

12371894989 is a wasteful number, since it uses less digits than its factorization.

12371894989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38387.

The product of its digits is 7838208, while the sum is 61.

The spelling of 12371894989 in words is "twelve billion, three hundred seventy-one million, eight hundred ninety-four thousand, nine hundred eighty-nine".