13312102121 has 8 divisors (see below), whose sum is σ = 13360282824. Its totient is φ = 13263960960.

The previous prime is 13312102117. The next prime is 13312102147. The reversal of 13312102121 is 12120121331.

It can be written as a sum of positive squares in 4 ways, for example, as 3891264400 + 9420837721 = 62380^2 + 97061^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13312102121 - 2² = 13312102117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13312102121.

It is not an unprimeable number, because it can be changed into a prime (13312102171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775451 + ... + 792431.

It is an arithmetic number, because the mean of its divisors is an integer number (1670035353).

Almost surely, 2^13312102121 is an apocalyptic number.

It is an amenable number.

13312102121 is a deficient number, since it is larger than the sum of its proper divisors (48180703).

13312102121 is a wasteful number, since it uses less digits than its factorization.

13312102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19771.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13312102121 its reverse (12120121331), we get a palindrome (25432223452).

It can be divided in two parts, 1331210 and 2121, that added together give a palindrome (1333331).

The spelling of 13312102121 in words is "thirteen billion, three hundred twelve million, one hundred two thousand, one hundred twenty-one".