12045107406 has 32 divisors (see below), whose sum is σ = 25455836160. Its totient is φ = 3791852064.

The previous prime is 12045107377. The next prime is 12045107447. The reversal of 12045107406 is 60470154021.

It is a super-2 number, since 2×12045107406² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541525 + ... + 563328.

It is an arithmetic number, because the mean of its divisors is an integer number (795494880).

Almost surely, 2^12045107406 is an apocalyptic number.

12045107406 is an abundant number, since it is smaller than the sum of its proper divisors (13410728754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12045107406 is a wasteful number, since it uses less digits than its factorization.

12045107406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104960.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 12045107406 in words is "twelve billion, forty-five million, one hundred seven thousand, four hundred six".