12046181379 has 12 divisors (see below), whose sum is σ = 16443794376. Its totient is φ = 7844021472.

The previous prime is 12046181333. The next prime is 12046181387. The reversal of 12046181379 is 97318164021.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12046181379 is a prime.

It is a super-2 number, since 2×12046181379² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12046181379.

It is not an unprimeable number, because it can be changed into a prime (12046181879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1080282 + ... + 1091375.

It is an arithmetic number, because the mean of its divisors is an integer number (1370316198).

Almost surely, 2^12046181379 is an apocalyptic number.

12046181379 is a deficient number, since it is larger than the sum of its proper divisors (4397612997).

12046181379 is an equidigital number, since it uses as much as digits as its factorization.

12046181379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171746 (or 2171703 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 12046181379 in words is "twelve billion, forty-six million, one hundred eighty-one thousand, three hundred seventy-nine".