12012719577 has 8 divisors (see below), whose sum is σ = 16132189920. Its totient is φ = 7950864480.

The previous prime is 12012719567. The next prime is 12012719591. The reversal of 12012719577 is 77591721021.

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

It is not a de Polignac number, because 12012719577 - 2⁶ = 12012719513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012719527) 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, 14403324 + ... + 14404157.

It is an arithmetic number, because the mean of its divisors is an integer number (2016523740).

Almost surely, 2^12012719577 is an apocalyptic number.

It is an amenable number.

12012719577 is a deficient number, since it is larger than the sum of its proper divisors (4119470343).

12012719577 is a wasteful number, since it uses less digits than its factorization.

12012719577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28807623.

The product of its (nonzero) digits is 61740, while the sum is 42.

The spelling of 12012719577 in words is "twelve billion, twelve million, seven hundred nineteen thousand, five hundred seventy-seven".