13012312211 has 2 divisors, whose sum is σ = 13012312212. Its totient is φ = 13012312210.

The previous prime is 13012312207. The next prime is 13012312231. The reversal of 13012312211 is 11221321031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13012312211 - 2² = 13012312207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13012312211.

It is not a weakly prime, because it can be changed into another prime (13012312231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506156105 + 6506156106.

It is an arithmetic number, because the mean of its divisors is an integer number (6506156106).

Almost surely, 2^13012312211 is an apocalyptic number.

13012312211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13012312211 is an equidigital number, since it uses as much as digits as its factorization.

13012312211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13012312211 its reverse (11221321031), we get a palindrome (24233633242).

The spelling of 13012312211 in words is "thirteen billion, twelve million, three hundred twelve thousand, two hundred eleven".