13442421412 has 12 divisors (see below), whose sum is σ = 26884842880. Its totient is φ = 5761037736.

The previous prime is 13442421389. The next prime is 13442421437. The reversal of 13442421412 is 21412424431.

13442421412 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 480086479 = 13442421412 / (1 + 3 + 4 + 4 + 2 + 4 + 2 + 1 + 4 + 1 + 2).

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, 240043212 + ... + 240043267.

Almost surely, 2^13442421412 is an apocalyptic number.

It is an amenable number.

13442421412 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.

13442421412 is a wasteful number, since it uses less digits than its factorization.

13442421412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480086490 (or 480086488 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 13442421412 its reverse (21412424431), we get a palindrome (34854845843).

The spelling of 13442421412 in words is "thirteen billion, four hundred forty-two million, four hundred twenty-one thousand, four hundred twelve".