12719685888 has 864 divisors, whose sum is σ = 49521704960. Its totient is φ = 3045703680.

The previous prime is 12719685887. The next prime is 12719685893. The reversal of 12719685888 is 88858691721.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (12719685887) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 123492045 + ... + 123492147.

Almost surely, 2^12719685888 is an apocalyptic number.

12719685888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12719685888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24760852480).

12719685888 is an abundant number, since it is smaller than the sum of its proper divisors (36802019072).

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

12719685888 is a wasteful number, since it uses less digits than its factorization.

12719685888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 178 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 63.

The spelling of 12719685888 in words is "twelve billion, seven hundred nineteen million, six hundred eighty-five thousand, eight hundred eighty-eight".