12499895644077 has 8 divisors (see below), whose sum is σ = 16690302888480. Its totient is φ = 8321376081200.

The previous prime is 12499895644073. The next prime is 12499895644079. The reversal of 12499895644077 is 77044659899421.

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 12499895644077 - 2² = 12499895644073 is a prime.

It is a super-2 number, since 2×12499895644077² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499895644073) 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, 2971917927 + ... + 2971922132.

It is an arithmetic number, because the mean of its divisors is an integer number (2086287861060).

Almost surely, 2^{12499895644077} is an apocalyptic number.

It is an amenable number.

12499895644077 is a deficient number, since it is larger than the sum of its proper divisors (4190407244403).

12499895644077 is an equidigital number, since it uses as much as digits as its factorization.

12499895644077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943840763.

The product of its (nonzero) digits is 1097349120, while the sum is 75.

The spelling of 12499895644077 in words is "twelve trillion, four hundred ninety-nine billion, eight hundred ninety-five million, six hundred forty-four thousand, seventy-seven".