2012122222277 has 2 divisors, whose sum is σ = 2012122222278. Its totient is φ = 2012122222276.

The previous prime is 2012122222219. The next prime is 2012122222373. The reversal of 2012122222277 is 7722222212102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1547869409956 + 464252812321 = 1244134^2 + 681361^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012122222277 - 2³⁴ = 1994942353093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012122222177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006061111138 + 1006061111139.

It is an arithmetic number, because the mean of its divisors is an integer number (1006061111139).

Almost surely, 2^{2012122222277} is an apocalyptic number.

It is an amenable number.

2012122222277 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012122222277 is an equidigital number, since it uses as much as digits as its factorization.

2012122222277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 32.

Adding to 2012122222277 its reverse (7722222212102), we get a palindrome (9734344434379).

The spelling of 2012122222277 in words is "two trillion, twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred seventy-seven".