12393785712 has 80 divisors (see below), whose sum is σ = 39917659392. Its totient is φ = 3219164160.

The previous prime is 12393785707. The next prime is 12393785713. The reversal of 12393785712 is 21758739321.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12393785713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1672953 + ... + 1680344.

Almost surely, 2^12393785712 is an apocalyptic number.

12393785712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12393785712 is an abundant number, since it is smaller than the sum of its proper divisors (27523873680).

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

12393785712 is a wasteful number, since it uses less digits than its factorization.

12393785712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353326 (or 3353320 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The spelling of 12393785712 in words is "twelve billion, three hundred ninety-three million, seven hundred eighty-five thousand, seven hundred twelve".