13121210223202 has 8 divisors (see below), whose sum is σ = 20360498622300. Its totient is φ = 6334377349104.

The previous prime is 13121210223151. The next prime is 13121210223217. The reversal of 13121210223202 is 20232201212131.

It can be written as a sum of positive squares in 2 ways, for example, as 12559716272961 + 561493950241 = 3543969^2 + 749329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 113113881177 + ... + 113113881292.

Almost surely, 2^{13121210223202} is an apocalyptic number.

13121210223202 is a deficient number, since it is larger than the sum of its proper divisors (7239288399098).

13121210223202 is a wasteful number, since it uses less digits than its factorization.

13121210223202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226227762500.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13121210223202 its reverse (20232201212131), we get a palindrome (33353411435333).

The spelling of 13121210223202 in words is "thirteen trillion, one hundred twenty-one billion, two hundred ten million, two hundred twenty-three thousand, two hundred two".