12251295740 has 12 divisors (see below), whose sum is σ = 25727721096. Its totient is φ = 4900518288.

The previous prime is 12251295733. The next prime is 12251295751. The reversal of 12251295740 is 4759215221.

It is a junction number, because it is equal to n+sod(n) for n = 12251295694 and 12251295703.

It is a congruent number.

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, 306282374 + ... + 306282413.

It is an arithmetic number, because the mean of its divisors is an integer number (2143976758).

Almost surely, 2^12251295740 is an apocalyptic number.

12251295740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12251295740 is an abundant number, since it is smaller than the sum of its proper divisors (13476425356).

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

12251295740 is a wasteful number, since it uses less digits than its factorization.

12251295740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612564796 (or 612564794 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 12251295740 in words is "twelve billion, two hundred fifty-one million, two hundred ninety-five thousand, seven hundred forty".