12553378922 has 32 divisors (see below), whose sum is σ = 21665318400. Its totient is φ = 5343827328.

The previous prime is 12553378921. The next prime is 12553378931. The reversal of 12553378922 is 22987335521.

It is not an unprimeable number, because it can be changed into a prime (12553378921) by changing a digit.

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, 1363928 + ... + 1373100.

It is an arithmetic number, because the mean of its divisors is an integer number (677041200).

Almost surely, 2^12553378922 is an apocalyptic number.

12553378922 is a deficient number, since it is larger than the sum of its proper divisors (9111939478).

12553378922 is a wasteful number, since it uses less digits than its factorization.

12553378922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9830.

The product of its digits is 907200, while the sum is 47.

The spelling of 12553378922 in words is "twelve billion, five hundred fifty-three million, three hundred seventy-eight thousand, nine hundred twenty-two".