13121323012002 has 32 divisors (see below), whose sum is σ = 26310563826624. Its totient is φ = 4362456225600.

The previous prime is 13121323011997. The next prime is 13121323012027. The reversal of 13121323012002 is 20021032312131.

It is a self number, because there is not a number n which added to its sum of digits gives 13121323012002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35764252 + ... + 36129272.

It is an arithmetic number, because the mean of its divisors is an integer number (822205119582).

Almost surely, 2^{13121323012002} is an apocalyptic number.

13121323012002 is an abundant number, since it is smaller than the sum of its proper divisors (13189240814622).

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

13121323012002 is a wasteful number, since it uses less digits than its factorization.

13121323012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380514.

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

Adding to 13121323012002 its reverse (20021032312131), we get a palindrome (33142355324133).

The spelling of 13121323012002 in words is "thirteen trillion, one hundred twenty-one billion, three hundred twenty-three million, twelve thousand, two".