12211202951 has 2 divisors, whose sum is σ = 12211202952. Its totient is φ = 12211202950.

The previous prime is 12211202947. The next prime is 12211202953. The reversal of 12211202951 is 15920211221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12211202951 - 2² = 12211202947 is a prime.

It is a super-2 number, since 2×12211202951² (a number of 21 digits) contains 22 as substring.

Together with 12211202953, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12211202951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211202953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105601475 + 6105601476.

It is an arithmetic number, because the mean of its divisors is an integer number (6105601476).

Almost surely, 2^12211202951 is an apocalyptic number.

12211202951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211202951 is an equidigital number, since it uses as much as digits as its factorization.

12211202951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 12211202951 in words is "twelve billion, two hundred eleven million, two hundred two thousand, nine hundred fifty-one".