13124421044 has 12 divisors (see below), whose sum is σ = 26248842144. Its totient is φ = 5624751864.

The previous prime is 13124421029. The next prime is 13124421061. The reversal of 13124421044 is 44012442131.

13124421044 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234364634 + ... + 234364689.

It is an arithmetic number, because the mean of its divisors is an integer number (2187403512).

Almost surely, 2^13124421044 is an apocalyptic number.

13124421044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13124421044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13124421044 is a wasteful number, since it uses less digits than its factorization.

13124421044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468729334 (or 468729332 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 13124421044 its reverse (44012442131), we get a palindrome (57136863175).

The spelling of 13124421044 in words is "thirteen billion, one hundred twenty-four million, four hundred twenty-one thousand, forty-four".