13512350243 has 4 divisors (see below), whose sum is σ = 15442686000. Its totient is φ = 11582014488.

The previous prime is 13512350239. The next prime is 13512350249. The reversal of 13512350243 is 34205321531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13512350243 - 2² = 13512350239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13512350249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965167868 + ... + 965167881.

It is an arithmetic number, because the mean of its divisors is an integer number (3860671500).

Almost surely, 2^13512350243 is an apocalyptic number.

13512350243 is a deficient number, since it is larger than the sum of its proper divisors (1930335757).

13512350243 is an equidigital number, since it uses as much as digits as its factorization.

13512350243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930335756.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 13512350243 its reverse (34205321531), we get a palindrome (47717671774).

The spelling of 13512350243 in words is "thirteen billion, five hundred twelve million, three hundred fifty thousand, two hundred forty-three".