12220122021251 has 2 divisors, whose sum is σ = 12220122021252. Its totient is φ = 12220122021250.

The previous prime is 12220122021203. The next prime is 12220122021299. The reversal of 12220122021251 is 15212022102221.

It is a balanced prime because it is at equal distance from previous prime (12220122021203) and next prime (12220122021299).

It is a cyclic number.

It is not a de Polignac number, because 12220122021251 - 2⁶ = 12220122021187 is a prime.

It is not a weakly prime, because it can be changed into another prime (12220122021551) 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, 6110061010625 + 6110061010626.

It is an arithmetic number, because the mean of its divisors is an integer number (6110061010626).

Almost surely, 2^{12220122021251} is an apocalyptic number.

12220122021251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220122021251 is an equidigital number, since it uses as much as digits as its factorization.

12220122021251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 12220122021251 its reverse (15212022102221), we get a palindrome (27432144123472).

The spelling of 12220122021251 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-two million, twenty-one thousand, two hundred fifty-one".