12012133719 has 8 divisors (see below), whose sum is σ = 16096662400. Its totient is φ = 7967847096.

The previous prime is 12012133681. The next prime is 12012133723. The reversal of 12012133719 is 91733121021.

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

It is not a de Polignac number, because 12012133719 - 2²¹ = 12010036567 is a prime.

It is a super-2 number, since 2×12012133719² (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 (12012133729) 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, 10059817 + ... + 10061010.

It is an arithmetic number, because the mean of its divisors is an integer number (2012082800).

Almost surely, 2^12012133719 is an apocalyptic number.

12012133719 is a deficient number, since it is larger than the sum of its proper divisors (4084528681).

12012133719 is a wasteful number, since it uses less digits than its factorization.

12012133719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20121029.

The product of its (nonzero) digits is 2268, while the sum is 30.

The spelling of 12012133719 in words is "twelve billion, twelve million, one hundred thirty-three thousand, seven hundred nineteen".