12023142044 has 12 divisors (see below), whose sum is σ = 21130802784. Its totient is φ = 5985769824.

The previous prime is 12023142037. The next prime is 12023142049. The reversal of 12023142044 is 44024132021.

It is a super-2 number, since 2×12023142044² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023142049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6449252 + ... + 6451115.

It is an arithmetic number, because the mean of its divisors is an integer number (1760900232).

Almost surely, 2^12023142044 is an apocalyptic number.

It is an amenable number.

12023142044 is a deficient number, since it is larger than the sum of its proper divisors (9107660740).

12023142044 is a wasteful number, since it uses less digits than its factorization.

12023142044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12900604 (or 12900602 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12023142044 its reverse (44024132021), we get a palindrome (56047274065).

The spelling of 12023142044 in words is "twelve billion, twenty-three million, one hundred forty-two thousand, forty-four".