12381722504 has 16 divisors (see below), whose sum is σ = 23218160220. Its totient is φ = 6190213120.

The previous prime is 12381722497. The next prime is 12381722539. The reversal of 12381722504 is 40522718321.

It can be written as a sum of positive squares in 2 ways, for example, as 11534330404 + 847392100 = 107398^2 + 29110^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624 + ... + 157464.

Almost surely, 2^12381722504 is an apocalyptic number.

It is an amenable number.

12381722504 is a deficient number, since it is larger than the sum of its proper divisors (10836437716).

12381722504 is a wasteful number, since it uses less digits than its factorization.

12381722504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162040 (or 162036 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 12381722504 in words is "twelve billion, three hundred eighty-one million, seven hundred twenty-two thousand, five hundred four".