13213120202 has 16 divisors (see below), whose sum is σ = 19858285512. Its totient is φ = 6593706240.

The previous prime is 13213120117. The next prime is 13213120229. The reversal of 13213120202 is 20202131231.

It can be written as a sum of positive squares in 4 ways, for example, as 9705993361 + 3507126841 = 98519^2 + 59221^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2673878 + ... + 2678814.

Almost surely, 2^13213120202 is an apocalyptic number.

13213120202 is a deficient number, since it is larger than the sum of its proper divisors (6645165310).

13213120202 is a wasteful number, since it uses less digits than its factorization.

13213120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13213120202 its reverse (20202131231), we get a palindrome (33415251433).

The spelling of 13213120202 in words is "thirteen billion, two hundred thirteen million, one hundred twenty thousand, two hundred two".