12407782425 has 24 divisors (see below), whose sum is σ = 20589932160. Its totient is φ = 6593054400.

The previous prime is 12407782417. The next prime is 12407782441. The reversal of 12407782425 is 52428770421.

It is not a de Polignac number, because 12407782425 - 2³ = 12407782417 is a prime.

It is a super-2 number, since 2×12407782425² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284910 + ... + 325559.

It is an arithmetic number, because the mean of its divisors is an integer number (857913840).

Almost surely, 2^12407782425 is an apocalyptic number.

12407782425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12407782425 is a deficient number, since it is larger than the sum of its proper divisors (8182149735).

12407782425 is a wasteful number, since it uses less digits than its factorization.

12407782425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610753 (or 610748 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 42.

The spelling of 12407782425 in words is "twelve billion, four hundred seven million, seven hundred eighty-two thousand, four hundred twenty-five".