13012036243 has 16 divisors (see below), whose sum is σ = 13274325792. Its totient is φ = 12752640000.

The previous prime is 13012036241. The next prime is 13012036253. The reversal of 13012036243 is 34263021031.

It is a cyclic number.

It is not a de Polignac number, because 13012036243 - 2¹ = 13012036241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012036241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8126643 + ... + 8128243.

It is an arithmetic number, because the mean of its divisors is an integer number (829645362).

Almost surely, 2^13012036243 is an apocalyptic number.

13012036243 is a deficient number, since it is larger than the sum of its proper divisors (262289549).

13012036243 is a wasteful number, since it uses less digits than its factorization.

13012036243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13012036243 its reverse (34263021031), we get a palindrome (47275057274).

The spelling of 13012036243 in words is "thirteen billion, twelve million, thirty-six thousand, two hundred forty-three".