12409214905 has 8 divisors (see below), whose sum is σ = 15371414784. Its totient is φ = 9607134000.

The previous prime is 12409214891. The next prime is 12409214959. The reversal of 12409214905 is 50941290421.

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

It is not a de Polignac number, because 12409214905 - 2¹¹ = 12409212857 is a prime.

It is a super-2 number, since 2×12409214905² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40029571 + ... + 40029880.

It is an arithmetic number, because the mean of its divisors is an integer number (1921426848).

Almost surely, 2^12409214905 is an apocalyptic number.

It is an amenable number.

12409214905 is a deficient number, since it is larger than the sum of its proper divisors (2962199879).

12409214905 is an equidigital number, since it uses as much as digits as its factorization.

12409214905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80059487.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 12409214905 in words is "twelve billion, four hundred nine million, two hundred fourteen thousand, nine hundred five".