13121014243 has 8 divisors (see below), whose sum is σ = 14287856400. Its totient is φ = 12001798368.

The previous prime is 13121014237. The next prime is 13121014253. The reversal of 13121014243 is 34241012131.

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 13121014243 - 2²⁹ = 12584143331 is a prime.

It is a super-2 number, since 2×13121014243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121014253) 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, 11905996 + ... + 11907097.

It is an arithmetic number, because the mean of its divisors is an integer number (1785982050).

Almost surely, 2^13121014243 is an apocalyptic number.

13121014243 is a deficient number, since it is larger than the sum of its proper divisors (1166842157).

13121014243 is a wasteful number, since it uses less digits than its factorization.

13121014243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23813141.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13121014243 its reverse (34241012131), we get a palindrome (47362026374).

The spelling of 13121014243 in words is "thirteen billion, one hundred twenty-one million, fourteen thousand, two hundred forty-three".