12042344465 has 32 divisors (see below), whose sum is σ = 14878080000. Its totient is φ = 9352770048.

The previous prime is 12042344443. The next prime is 12042344473. The reversal of 12042344465 is 56444324021.

It is a cyclic number.

It is not a de Polignac number, because 12042344465 - 2¹² = 12042340369 is a prime.

It is a super-2 number, since 2×12042344465² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29443181 + ... + 29443589.

It is an arithmetic number, because the mean of its divisors is an integer number (464940000).

Almost surely, 2^12042344465 is an apocalyptic number.

It is an amenable number.

12042344465 is a deficient number, since it is larger than the sum of its proper divisors (2835735535).

12042344465 is a wasteful number, since it uses less digits than its factorization.

12042344465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 12042344465 its reverse (56444324021), we get a palindrome (68486668486).

The spelling of 12042344465 in words is "twelve billion, forty-two million, three hundred forty-four thousand, four hundred sixty-five".