12000078719 has 8 divisors (see below), whose sum is σ = 12529769472. Its totient is φ = 11471050360.

The previous prime is 12000078689. The next prime is 12000078733. The reversal of 12000078719 is 91787000021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12000078719 - 2²⁸ = 11731643263 is a prime.

It is a super-2 number, since 2×12000078719² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000078319) 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, 128387 + ... + 201204.

It is an arithmetic number, because the mean of its divisors is an integer number (1566221184).

Almost surely, 2^12000078719 is an apocalyptic number.

12000078719 is a deficient number, since it is larger than the sum of its proper divisors (529690753).

12000078719 is a wasteful number, since it uses less digits than its factorization.

12000078719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331197.

The product of its (nonzero) digits is 7056, while the sum is 35.

The spelling of 12000078719 in words is "twelve billion, seventy-eight thousand, seven hundred nineteen".