12899310477977 has 16 divisors (see below), whose sum is σ = 16781485796352. Its totient is φ = 9614392901520.

The previous prime is 12899310477973. The next prime is 12899310477979. The reversal of 12899310477977 is 77977401399821.

It is not a de Polignac number, because 12899310477977 - 2² = 12899310477973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12899310477973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3641813723 + ... + 3641817264.

It is an arithmetic number, because the mean of its divisors is an integer number (1048842862272).

Almost surely, 2^{12899310477977} is an apocalyptic number.

It is an amenable number.

12899310477977 is a deficient number, since it is larger than the sum of its proper divisors (3882175318375).

12899310477977 is a wasteful number, since it uses less digits than its factorization.

12899310477977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7283631028.

The product of its (nonzero) digits is 336063168, while the sum is 74.

The spelling of 12899310477977 in words is "twelve trillion, eight hundred ninety-nine billion, three hundred ten million, four hundred seventy-seven thousand, nine hundred seventy-seven".