122213212349 has 2 divisors, whose sum is σ = 122213212350. Its totient is φ = 122213212348.

The previous prime is 122213212343. The next prime is 122213212409. The reversal of 122213212349 is 943212312221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109218352324 + 12994860025 = 330482^2 + 113995^2 .

It is an emirp because it is prime and its reverse (943212312221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122213212349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122213212343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106606174 + 61106606175.

It is an arithmetic number, because the mean of its divisors is an integer number (61106606175).

Almost surely, 2^122213212349 is an apocalyptic number.

It is an amenable number.

122213212349 is a deficient number, since it is larger than the sum of its proper divisors (1).

122213212349 is an equidigital number, since it uses as much as digits as its factorization.

122213212349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The spelling of 122213212349 in words is "one hundred twenty-two billion, two hundred thirteen million, two hundred twelve thousand, three hundred forty-nine".