13044124042 has 4 divisors (see below), whose sum is σ = 19566186066. Its totient is φ = 6522062020.

The previous prime is 13044124033. The next prime is 13044124057. The reversal of 13044124042 is 24042144031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11655145681 + 1388978361 = 107959^2 + 37269^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13044123998 and 13044124016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261031009 + ... + 3261031012.

Almost surely, 2^13044124042 is an apocalyptic number.

13044124042 is a deficient number, since it is larger than the sum of its proper divisors (6522062024).

13044124042 is an equidigital number, since it uses as much as digits as its factorization.

13044124042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522062023.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 13044124042 its reverse (24042144031), we get a palindrome (37086268073).

The spelling of 13044124042 in words is "thirteen billion, forty-four million, one hundred twenty-four thousand, forty-two".