12464877018518 has 4 divisors (see below), whose sum is σ = 18697315527780. Its totient is φ = 6232438509258.

The previous prime is 12464877018499. The next prime is 12464877018551. The reversal of 12464877018518 is 81581077846421.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3116219254628 + ... + 3116219254631.

It is an arithmetic number, because the mean of its divisors is an integer number (4674328881945).

Almost surely, 2^{12464877018518} is an apocalyptic number.

12464877018518 is a deficient number, since it is larger than the sum of its proper divisors (6232438509262).

12464877018518 is an equidigital number, since it uses as much as digits as its factorization.

12464877018518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232438509261.

The product of its (nonzero) digits is 24084480, while the sum is 62.

The spelling of 12464877018518 in words is "twelve trillion, four hundred sixty-four billion, eight hundred seventy-seven million, eighteen thousand, five hundred eighteen".