12130123044 has 36 divisors (see below), whose sum is σ = 30648304176. Its totient is φ = 3732344928.

The previous prime is 12130123043. The next prime is 12130123073. The reversal of 12130123044 is 44032103121.

It is a self number, because there is not a number n which added to its sum of digits gives 12130123044.

It is not an unprimeable number, because it can be changed into a prime (12130123043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2988634 + ... + 2992689.

Almost surely, 2^12130123044 is an apocalyptic number.

It is an amenable number.

12130123044 is an abundant number, since it is smaller than the sum of its proper divisors (18518181132).

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

12130123044 is a wasteful number, since it uses less digits than its factorization.

12130123044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5981356 (or 5981341 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12130123044 its reverse (44032103121), we get a palindrome (56162226165).

The spelling of 12130123044 in words is "twelve billion, one hundred thirty million, one hundred twenty-three thousand, forty-four".