12445042124 has 24 divisors (see below), whose sum is σ = 23098292448. Its totient is φ = 5854400640.

The previous prime is 12445042111. The next prime is 12445042153. The reversal of 12445042124 is 42124054421.

It is a happy 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, 1103177 + ... + 1114400.

It is an arithmetic number, because the mean of its divisors is an integer number (962428852).

Almost surely, 2^12445042124 is an apocalyptic number.

It is an amenable number.

12445042124 is a deficient number, since it is larger than the sum of its proper divisors (10653250324).

12445042124 is a wasteful number, since it uses less digits than its factorization.

12445042124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217665 (or 2217663 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 12445042124 its reverse (42124054421), we get a palindrome (54569096545).

The spelling of 12445042124 in words is "twelve billion, four hundred forty-five million, forty-two thousand, one hundred twenty-four".