13121220203302 has 4 divisors (see below), whose sum is σ = 19681830304956. Its totient is φ = 6560610101650.

The previous prime is 13121220203297. The next prime is 13121220203447. The reversal of 13121220203302 is 20330202212131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280305050824 + ... + 3280305050827.

It is an arithmetic number, because the mean of its divisors is an integer number (4920457576239).

Almost surely, 2^{13121220203302} is an apocalyptic number.

13121220203302 is a deficient number, since it is larger than the sum of its proper divisors (6560610101654).

13121220203302 is an equidigital number, since it uses as much as digits as its factorization.

13121220203302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6560610101653.

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

Adding to 13121220203302 its reverse (20330202212131), we get a palindrome (33451422415433).

The spelling of 13121220203302 in words is "thirteen trillion, one hundred twenty-one billion, two hundred twenty million, two hundred three thousand, three hundred two".