13121212102 has 12 divisors (see below), whose sum is σ = 20907676260. Its totient is φ = 6174687776.

The previous prime is 13121212087. The next prime is 13121212121. The reversal of 13121212102 is 20121212131.

13121212102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11349952 + ... + 11351107.

It is an arithmetic number, because the mean of its divisors is an integer number (1742306355).

Almost surely, 2^13121212102 is an apocalyptic number.

13121212102 is a deficient number, since it is larger than the sum of its proper divisors (7786464158).

13121212102 is a wasteful number, since it uses less digits than its factorization.

13121212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22701095 (or 22701078 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 13121212102 its reverse (20121212131), we get a palindrome (33242424233).

The spelling of 13121212102 in words is "thirteen billion, one hundred twenty-one million, two hundred twelve thousand, one hundred two".