12381903076 has 81 divisors (see below), whose sum is σ = 23617524553. Its totient is φ = 5679424960.

The previous prime is 12381902989. The next prime is 12381903077. The reversal of 12381903076 is 67030918321.

The square root of 12381903076 is 111274.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 596629476 + 11785273600 = 24426^2 + 108560^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12381903077) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 209862735 + ... + 209862793.

Almost surely, 2^12381903076 is an apocalyptic number.

12381903076 is the 111274-th square number.

It is an amenable number.

12381903076 is a deficient number, since it is larger than the sum of its proper divisors (11235621477).

12381903076 is an equidigital number, since it uses as much as digits as its factorization.

12381903076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 12381903076 in words is "twelve billion, three hundred eighty-one million, nine hundred three thousand, seventy-six".