13121000202 has 16 divisors (see below), whose sum is σ = 27623158560. Its totient is φ = 4143473712.

The previous prime is 13121000131. The next prime is 13121000203. The reversal of 13121000202 is 20200012131.

It is not an unprimeable number, because it can be changed into a prime (13121000203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57548133 + ... + 57548360.

It is an arithmetic number, because the mean of its divisors is an integer number (1726447410).

Almost surely, 2^13121000202 is an apocalyptic number.

13121000202 is an abundant number, since it is smaller than the sum of its proper divisors (14502158358).

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

13121000202 is a wasteful number, since it uses less digits than its factorization.

13121000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115096517.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 13121000202 its reverse (20200012131), we get a palindrome (33321012333).

The spelling of 13121000202 in words is "thirteen billion, one hundred twenty-one million, two hundred two", and thus it is an aban number.