12144254039 has 4 divisors (see below), whose sum is σ = 12264494280. Its totient is φ = 12024013800.

The previous prime is 12144254029. The next prime is 12144254051. The reversal of 12144254039 is 93045244121.

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

It is a cyclic number.

It is not a de Polignac number, because 12144254039 - 2⁸ = 12144253783 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 (12144254009) 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, 60119969 + ... + 60120170.

It is an arithmetic number, because the mean of its divisors is an integer number (3066123570).

Almost surely, 2^12144254039 is an apocalyptic number.

12144254039 is a deficient number, since it is larger than the sum of its proper divisors (120240241).

12144254039 is a wasteful number, since it uses less digits than its factorization.

12144254039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120240240.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 12144254039 in words is "twelve billion, one hundred forty-four million, two hundred fifty-four thousand, thirty-nine".