12439619700127 has 4 divisors (see below), whose sum is σ = 12453334827496. Its totient is φ = 12425904572760.

The previous prime is 12439619700107. The next prime is 12439619700149. The reversal of 12439619700127 is 72100791693421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12439619700127 is a prime.

It is a super-2 number, since 2×12439619700127² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12439619700107) 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, 6857562324 + ... + 6857564137.

It is an arithmetic number, because the mean of its divisors is an integer number (3113333706874).

Almost surely, 2^{12439619700127} is an apocalyptic number.

12439619700127 is a deficient number, since it is larger than the sum of its proper divisors (13715127369).

12439619700127 is an equidigital number, since it uses as much as digits as its factorization.

12439619700127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13715127368.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 12439619700127 in words is "twelve trillion, four hundred thirty-nine billion, six hundred nineteen million, seven hundred thousand, one hundred twenty-seven".