212484161291 has 2 divisors, whose sum is σ = 212484161292. Its totient is φ = 212484161290.

The previous prime is 212484161261. The next prime is 212484161297. The reversal of 212484161291 is 192161484212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212484161291 is a prime.

It is not a weakly prime, because it can be changed into another prime (212484161297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106242080645 + 106242080646.

It is an arithmetic number, because the mean of its divisors is an integer number (106242080646).

Almost surely, 2^212484161291 is an apocalyptic number.

212484161291 is a deficient number, since it is larger than the sum of its proper divisors (1).

212484161291 is an equidigital number, since it uses as much as digits as its factorization.

212484161291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 41.

The spelling of 212484161291 in words is "two hundred twelve billion, four hundred eighty-four million, one hundred sixty-one thousand, two hundred ninety-one".