2212112123077 has 2 divisors, whose sum is σ = 2212112123078. Its totient is φ = 2212112123076.

The previous prime is 2212112123063. The next prime is 2212112123101. The reversal of 2212112123077 is 7703212112122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2133217986916 + 78894136161 = 1460554^2 + 280881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212112123077 - 2¹⁹ = 2212111598789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212112120077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106056061538 + 1106056061539.

It is an arithmetic number, because the mean of its divisors is an integer number (1106056061539).

Almost surely, 2^{2212112123077} is an apocalyptic number.

It is an amenable number.

2212112123077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212112123077 is an equidigital number, since it uses as much as digits as its factorization.

2212112123077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

Adding to 2212112123077 its reverse (7703212112122), we get a palindrome (9915324235199).

The spelling of 2212112123077 in words is "two trillion, two hundred twelve billion, one hundred twelve million, one hundred twenty-three thousand, seventy-seven".