12346779379 has 12 divisors (see below), whose sum is σ = 13640169312. Its totient is φ = 11167346960.

The previous prime is 12346779331. The next prime is 12346779409. The reversal of 12346779379 is 97397764321.

It is not a de Polignac number, because 12346779379 - 2²¹ = 12344682227 is a prime.

It is a super-2 number, since 2×12346779379² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12346779079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235147 + ... + 282820.

It is an arithmetic number, because the mean of its divisors is an integer number (1136680776).

Almost surely, 2^12346779379 is an apocalyptic number.

12346779379 is a deficient number, since it is larger than the sum of its proper divisors (1293389933).

12346779379 is a wasteful number, since it uses less digits than its factorization.

12346779379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518186 (or 518175 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 58.

The spelling of 12346779379 in words is "twelve billion, three hundred forty-six million, seven hundred seventy-nine thousand, three hundred seventy-nine".