12503869772 has 12 divisors (see below), whose sum is σ = 22086275400. Its totient is φ = 6193505376.

The previous prime is 12503869723. The next prime is 12503869787. The reversal of 12503869772 is 27796830521.

12503869772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12503869772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14606897 + ... + 14607752.

It is an arithmetic number, because the mean of its divisors is an integer number (1840522950).

Almost surely, 2^12503869772 is an apocalyptic number.

It is an amenable number.

12503869772 is a deficient number, since it is larger than the sum of its proper divisors (9582405628).

12503869772 is a wasteful number, since it uses less digits than its factorization.

12503869772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29214760 (or 29214758 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 12503869772 in words is "twelve billion, five hundred three million, eight hundred sixty-nine thousand, seven hundred seventy-two".