13002312121 has 8 divisors (see below), whose sum is σ = 13107096288. Its totient is φ = 12897612000.

The previous prime is 13002312107. The next prime is 13002312131. The reversal of 13002312121 is 12121320031.

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 13002312121 - 2³¹ = 10854828473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13002312095 and 13002312104.

It is not an unprimeable number, because it can be changed into a prime (13002312101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310566 + ... + 349936.

It is an arithmetic number, because the mean of its divisors is an integer number (1638387036).

Almost surely, 2^13002312121 is an apocalyptic number.

It is an amenable number.

13002312121 is a deficient number, since it is larger than the sum of its proper divisors (104784167).

13002312121 is a wasteful number, since it uses less digits than its factorization.

13002312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42023.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13002312121 its reverse (12121320031), we get a palindrome (25123632152).

The spelling of 13002312121 in words is "thirteen billion, two million, three hundred twelve thousand, one hundred twenty-one".