13012425554243 has 4 divisors (see below), whose sum is σ = 13019358121680. Its totient is φ = 13005492986808.

The previous prime is 13012425554213. The next prime is 13012425554329. The reversal of 13012425554243 is 34245552421031.

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 13012425554243 - 2⁸ = 13012425553987 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 13012425554243.

It is not an unprimeable number, because it can be changed into a prime (13012425554213) 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, 3466280903 + ... + 3466284656.

It is an arithmetic number, because the mean of its divisors is an integer number (3254839530420).

Almost surely, 2^{13012425554243} is an apocalyptic number.

13012425554243 is a deficient number, since it is larger than the sum of its proper divisors (6932567437).

13012425554243 is an equidigital number, since it uses as much as digits as its factorization.

13012425554243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932567436.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 13012425554243 its reverse (34245552421031), we get a palindrome (47257977975274).

The spelling of 13012425554243 in words is "thirteen trillion, twelve billion, four hundred twenty-five million, five hundred fifty-four thousand, two hundred forty-three".