12154882389 has 24 divisors (see below), whose sum is σ = 17637393600. Its totient is φ = 7442278272.

The previous prime is 12154882379. The next prime is 12154882501. The reversal of 12154882389 is 98328845121.

It is not a de Polignac number, because 12154882389 - 2⁴ = 12154882373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12154882319) 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, 40657 + ... + 161129.

It is an arithmetic number, because the mean of its divisors is an integer number (734891400).

Almost surely, 2^12154882389 is an apocalyptic number.

It is an amenable number.

12154882389 is a deficient number, since it is larger than the sum of its proper divisors (5482511211).

12154882389 is a wasteful number, since it uses less digits than its factorization.

12154882389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120701 (or 120688 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The spelling of 12154882389 in words is "twelve billion, one hundred fifty-four million, eight hundred eighty-two thousand, three hundred eighty-nine".