12381097250 has 64 divisors (see below), whose sum is σ = 24106567680. Its totient is φ = 4757313600.

The previous prime is 12381097241. The next prime is 12381097279. The reversal of 12381097250 is 5279018321.

It is a super-2 number, since 2×12381097250² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 722279 + ... + 739221.

It is an arithmetic number, because the mean of its divisors is an integer number (376665120).

Almost surely, 2^12381097250 is an apocalyptic number.

12381097250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12381097250 is a deficient number, since it is larger than the sum of its proper divisors (11725470430).

12381097250 is a wasteful number, since it uses less digits than its factorization.

12381097250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17076 (or 17066 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 12381097250 in words is "twelve billion, three hundred eighty-one million, ninety-seven thousand, two hundred fifty".