12403403656076 has 24 divisors (see below), whose sum is σ = 21742699898640. Its totient is φ = 6191208620352.

The previous prime is 12403403656069. The next prime is 12403403656087. The reversal of 12403403656076 is 67065630430421.

It is a self number, because there is not a number n which added to its sum of digits gives 12403403656076.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9472871 + ... + 10702433.

It is an arithmetic number, because the mean of its divisors is an integer number (905945829110).

Almost surely, 2^{12403403656076} is an apocalyptic number.

It is an amenable number.

12403403656076 is a deficient number, since it is larger than the sum of its proper divisors (9339296242564).

12403403656076 is a wasteful number, since it uses less digits than its factorization.

12403403656076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233833 (or 1233831 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 12403403656076 in words is "twelve trillion, four hundred three billion, four hundred three million, six hundred fifty-six thousand, seventy-six".