13221320302012 has 12 divisors (see below), whose sum is σ = 23482643521960. Its totient is φ = 6511993581456.

The previous prime is 13221320302007. The next prime is 13221320302027. The reversal of 13221320302012 is 21020302312231.

It is a super-3 number, since 3×13221320302012³ (a number of 40 digits) contains 333 as substring.

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, 24666642087 + ... + 24666642622.

Almost surely, 2^{13221320302012} is an apocalyptic number.

It is an amenable number.

13221320302012 is a deficient number, since it is larger than the sum of its proper divisors (10261323219948).

13221320302012 is a wasteful number, since it uses less digits than its factorization.

13221320302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49333284780 (or 49333284778 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13221320302012 its reverse (21020302312231), we get a palindrome (34241622614243).

The spelling of 13221320302012 in words is "thirteen trillion, two hundred twenty-one billion, three hundred twenty million, three hundred two thousand, twelve".