12041442605 has 4 divisors (see below), whose sum is σ = 14449731132. Its totient is φ = 9633154080.

The previous prime is 12041442587. The next prime is 12041442613. The reversal of 12041442605 is 50624414021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50624414021 = 29 ⋅1745669449.

It can be written as a sum of positive squares in 2 ways, for example, as 9236363236 + 2805079369 = 96106^2 + 52963^2 .

It is not a de Polignac number, because 12041442605 - 2²⁸ = 11773007149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204144256 + ... + 1204144265.

It is an arithmetic number, because the mean of its divisors is an integer number (3612432783).

Almost surely, 2^12041442605 is an apocalyptic number.

It is an amenable number.

12041442605 is a deficient number, since it is larger than the sum of its proper divisors (2408288527).

12041442605 is an equidigital number, since it uses as much as digits as its factorization.

12041442605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408288526.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 12041442605 its reverse (50624414021), we get a palindrome (62665856626).

The spelling of 12041442605 in words is "twelve billion, forty-one million, four hundred forty-two thousand, six hundred five".