13221020002 has 16 divisors (see below), whose sum is σ = 20916826560. Its totient is φ = 6250128912.

The previous prime is 13221019997. The next prime is 13221020041. The reversal of 13221020002 is 20002012231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326733 + ... + 364960.

It is an arithmetic number, because the mean of its divisors is an integer number (1307301660).

Almost surely, 2^13221020002 is an apocalyptic number.

13221020002 is a deficient number, since it is larger than the sum of its proper divisors (7695806558).

13221020002 is a wasteful number, since it uses less digits than its factorization.

13221020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692217.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 13221020002 its reverse (20002012231), we get a palindrome (33223032233).

The spelling of 13221020002 in words is "thirteen billion, two hundred twenty-one million, twenty thousand, two".