12251930508 has 36 divisors (see below), whose sum is σ = 31767246840. Its totient is φ = 4083593400.

The previous prime is 12251930507. The next prime is 12251930519. The reversal of 12251930508 is 80503915221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

12251930508 is a `hidden beast` number, since 12 + 2 + 51 + 93 + 0 + 508 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12251930508² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12251930507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1144983 + ... + 1155633.

Almost surely, 2^12251930508 is an apocalyptic number.

12251930508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12251930508 is an abundant number, since it is smaller than the sum of its proper divisors (19515316332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12251930508 is an frugal number, since it uses more digits than its factorization.

12251930508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21315 (or 10656 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 12251930508 in words is "twelve billion, two hundred fifty-one million, nine hundred thirty thousand, five hundred eight".