12420464884 has 12 divisors (see below), whose sum is σ = 21736790208. Its totient is φ = 6209953400.

The previous prime is 12420464869. The next prime is 12420464887. The reversal of 12420464884 is 48846402421.

It is a self number, because there is not a number n which added to its sum of digits gives 12420464884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420464887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55299 + ... + 167029.

It is an arithmetic number, because the mean of its divisors is an integer number (1811399184).

Almost surely, 2^12420464884 is an apocalyptic number.

It is an amenable number.

12420464884 is a deficient number, since it is larger than the sum of its proper divisors (9316325324).

12420464884 is a wasteful number, since it uses less digits than its factorization.

12420464884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139526 (or 139524 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 43.

The spelling of 12420464884 in words is "twelve billion, four hundred twenty million, four hundred sixty-four thousand, eight hundred eighty-four".