12495959384 has 32 divisors (see below), whose sum is σ = 24839414400. Its totient is φ = 5883010560.

The previous prime is 12495959383. The next prime is 12495959389. The reversal of 12495959384 is 48395959421.

It is a super-2 number, since 2×12495959384² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12495959383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671729 + ... + 690080.

It is an arithmetic number, because the mean of its divisors is an integer number (776231700).

Almost surely, 2^12495959384 is an apocalyptic number.

It is an amenable number.

12495959384 is a deficient number, since it is larger than the sum of its proper divisors (12343455016).

12495959384 is a wasteful number, since it uses less digits than its factorization.

12495959384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361883 (or 1361879 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 59.

The spelling of 12495959384 in words is "twelve billion, four hundred ninety-five million, nine hundred fifty-nine thousand, three hundred eighty-four".