13412002221 has 32 divisors (see below), whose sum is σ = 19954080000. Its totient is φ = 8903430144.

The previous prime is 13412002187. The next prime is 13412002231. The reversal of 13412002221 is 12220021431.

It is a happy number.

It is not a de Polignac number, because 13412002221 - 2³⁰ = 12338260397 is a prime.

It is a super-2 number, since 2×13412002221² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13412002194 and 13412002203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13412002231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9006645 + ... + 9008133.

It is an arithmetic number, because the mean of its divisors is an integer number (623565000).

Almost surely, 2^13412002221 is an apocalyptic number.

It is an amenable number.

13412002221 is a deficient number, since it is larger than the sum of its proper divisors (6542077779).

13412002221 is a wasteful number, since it uses less digits than its factorization.

13412002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690 (or 2684 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 13412002221 its reverse (12220021431), we get a palindrome (25632023652).

The spelling of 13412002221 in words is "thirteen billion, four hundred twelve million, two thousand, two hundred twenty-one".