20122231213349 has 2 divisors, whose sum is σ = 20122231213350. Its totient is φ = 20122231213348.

The previous prime is 20122231213219. The next prime is 20122231213351. The reversal of 20122231213349 is 94331213222102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17509747336225 + 2612483877124 = 4184465^2 + 1616318^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122231213349 - 2¹⁶ = 20122231147813 is a prime.

Together with 20122231213351, 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 (20122231215349) 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, 10061115606674 + 10061115606675.

It is an arithmetic number, because the mean of its divisors is an integer number (10061115606675).

Almost surely, 2^{20122231213349} is an apocalyptic number.

It is an amenable number.

20122231213349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122231213349 is an equidigital number, since it uses as much as digits as its factorization.

20122231213349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 20122231213349 in words is "twenty trillion, one hundred twenty-two billion, two hundred thirty-one million, two hundred thirteen thousand, three hundred forty-nine".