12401302977 has 24 divisors (see below), whose sum is σ = 20512265280. Its totient is φ = 7072518240.

The previous prime is 12401302957. The next prime is 12401302981. The reversal of 12401302977 is 77920310421.

It is not a de Polignac number, because 12401302977 - 2⁸ = 12401302721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12401302937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161299 + ... + 225432.

It is an arithmetic number, because the mean of its divisors is an integer number (854677720).

Almost surely, 2^12401302977 is an apocalyptic number.

It is an amenable number.

12401302977 is a deficient number, since it is larger than the sum of its proper divisors (8110962303).

12401302977 is a wasteful number, since it uses less digits than its factorization.

12401302977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387253 (or 387250 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 12401302977 in words is "twelve billion, four hundred one million, three hundred two thousand, nine hundred seventy-seven".