13004421442012 has 72 divisors (see below), whose sum is σ = 30787327154528. Its totient is φ = 4676914788480.

The previous prime is 13004421442007. The next prime is 13004421442031. The reversal of 13004421442012 is 21024412440031.

It is a super-2 number, since 2×13004421442012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147585843 + ... + 147673930.

Almost surely, 2^{13004421442012} is an apocalyptic number.

It is an amenable number.

13004421442012 is an abundant number, since it is smaller than the sum of its proper divisors (17782905712516).

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

13004421442012 is a wasteful number, since it uses less digits than its factorization.

13004421442012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295259819 (or 295259806 counting only the distinct ones).

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

Adding to 13004421442012 its reverse (21024412440031), we get a palindrome (34028833882043).

The spelling of 13004421442012 in words is "thirteen trillion, four billion, four hundred twenty-one million, four hundred forty-two thousand, twelve".