12220000207949 has 2 divisors, whose sum is σ = 12220000207950. Its totient is φ = 12220000207948.

The previous prime is 12220000207913. The next prime is 12220000207951. The reversal of 12220000207949 is 94970200002221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10911744643849 + 1308255564100 = 3303293^2 + 1143790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220000207949 is a prime.

Together with 12220000207951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220000201949) 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, 6110000103974 + 6110000103975.

It is an arithmetic number, because the mean of its divisors is an integer number (6110000103975).

Almost surely, 2^{12220000207949} is an apocalyptic number.

It is an amenable number.

12220000207949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220000207949 is an equidigital number, since it uses as much as digits as its factorization.

12220000207949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 12220000207949 in words is "twelve trillion, two hundred twenty billion, two hundred seven thousand, nine hundred forty-nine".