12144939005 has 8 divisors (see below), whose sum is σ = 14575448832. Its totient is φ = 9714936528.

The previous prime is 12144938999. The next prime is 12144939017. The reversal of 12144939005 is 50093944121.

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 12144939005 - 2⁸ = 12144938749 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 12144939005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72017 + ... + 171686.

It is an arithmetic number, because the mean of its divisors is an integer number (1821931104).

Almost surely, 2^12144939005 is an apocalyptic number.

It is an amenable number.

12144939005 is a deficient number, since it is larger than the sum of its proper divisors (2430509827).

12144939005 is an equidigital number, since it uses as much as digits as its factorization.

12144939005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253675.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 12144939005 in words is "twelve billion, one hundred forty-four million, nine hundred thirty-nine thousand, five".