13121021303202 has 16 divisors (see below), whose sum is σ = 26242078115232. Its totient is φ = 4373667849600.

The previous prime is 13121021303141. The next prime is 13121021303207. The reversal of 13121021303202 is 20230312012131.

It is a super-2 number, since 2×13121021303202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13121021303207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7833673 + ... + 9359939.

It is an arithmetic number, because the mean of its divisors is an integer number (1640129882202).

Almost surely, 2^{13121021303202} is an apocalyptic number.

13121021303202 is an abundant number, since it is smaller than the sum of its proper divisors (13121056812030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13121021303202 is a wasteful number, since it uses less digits than its factorization.

13121021303202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959073.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13121021303202 its reverse (20230312012131), we get a palindrome (33351333315333).

The spelling of 13121021303202 in words is "thirteen trillion, one hundred twenty-one billion, twenty-one million, three hundred three thousand, two hundred two".