12135484211 has 2 divisors, whose sum is σ = 12135484212. Its totient is φ = 12135484210.

The previous prime is 12135484171. The next prime is 12135484279. The reversal of 12135484211 is 11248453121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12135484211 is a prime.

It is not a weakly prime, because it can be changed into another prime (12135484511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6067742105 + 6067742106.

It is an arithmetic number, because the mean of its divisors is an integer number (6067742106).

Almost surely, 2^12135484211 is an apocalyptic number.

12135484211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12135484211 is an equidigital number, since it uses as much as digits as its factorization.

12135484211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 32.

The spelling of 12135484211 in words is "twelve billion, one hundred thirty-five million, four hundred eighty-four thousand, two hundred eleven".