13121212321102 has 8 divisors (see below), whose sum is σ = 19683439354656. Its totient is φ = 6560065869552.

The previous prime is 13121212321099. The next prime is 13121212321163. The reversal of 13121212321102 is 20112321212131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270115143 + ... + 270163714.

It is an arithmetic number, because the mean of its divisors is an integer number (2460429919332).

Almost surely, 2^{13121212321102} is an apocalyptic number.

13121212321102 is a deficient number, since it is larger than the sum of its proper divisors (6562227033554).

13121212321102 is a wasteful number, since it uses less digits than its factorization.

13121212321102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540291002.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 13121212321102 its reverse (20112321212131), we get a palindrome (33233533533233).

The spelling of 13121212321102 in words is "thirteen trillion, one hundred twenty-one billion, two hundred twelve million, three hundred twenty-one thousand, one hundred two".