122012212122211 has 2 divisors, whose sum is σ = 122012212122212. Its totient is φ = 122012212122210.

The previous prime is 122012212122187. The next prime is 122012212122257. The reversal of 122012212122211 is 112221212210221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122012212122211 - 2²³ = 122012203733603 is a prime.

It is not a weakly prime, because it can be changed into another prime (122012212122271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006106061105 + 61006106061106.

It is an arithmetic number, because the mean of its divisors is an integer number (61006106061106).

Almost surely, 2^{122012212122211} is an apocalyptic number.

122012212122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012212122211 is an equidigital number, since it uses as much as digits as its factorization.

122012212122211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122012212122211 its reverse (112221212210221), we get a palindrome (234233424332432).

The spelling of 122012212122211 in words is "one hundred twenty-two trillion, twelve billion, two hundred twelve million, one hundred twenty-two thousand, two hundred eleven".