12477801814 has 32 divisors (see below), whose sum is σ = 20023122240. Its totient is φ = 5811167232.

The previous prime is 12477801773. The next prime is 12477801859. The reversal of 12477801814 is 41810877421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4531062 + ... + 4533814.

It is an arithmetic number, because the mean of its divisors is an integer number (625722570).

Almost surely, 2^12477801814 is an apocalyptic number.

12477801814 is a deficient number, since it is larger than the sum of its proper divisors (7545320426).

12477801814 is a wasteful number, since it uses less digits than its factorization.

12477801814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104.

The product of its (nonzero) digits is 100352, while the sum is 43.

The spelling of 12477801814 in words is "twelve billion, four hundred seventy-seven million, eight hundred one thousand, eight hundred fourteen".