12079401409 has 4 divisors (see below), whose sum is σ = 12118242240. Its totient is φ = 12040560580.

The previous prime is 12079401343. The next prime is 12079401437. The reversal of 12079401409 is 90410497021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12079401409 - 2¹⁵ = 12079368641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12079401479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19419949 + ... + 19420570.

It is an arithmetic number, because the mean of its divisors is an integer number (3029560560).

Almost surely, 2^12079401409 is an apocalyptic number.

It is an amenable number.

12079401409 is a deficient number, since it is larger than the sum of its proper divisors (38840831).

12079401409 is an equidigital number, since it uses as much as digits as its factorization.

12079401409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38840830.

The product of its (nonzero) digits is 18144, while the sum is 37.

It can be divided in two parts, 1207 and 9401409, that added together give a triangular number (9402616 = T₄₃₃₆).

The spelling of 12079401409 in words is "twelve billion, seventy-nine million, four hundred one thousand, four hundred nine".