2212112129 has 2 divisors, whose sum is σ = 2212112130. Its totient is φ = 2212112128.

The previous prime is 2212112093. The next prime is 2212112143. The reversal of 2212112129 is 9212112122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1825596529 + 386515600 = 42727^2 + 19660^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212112129 - 2¹² = 2212108033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212112159) 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, 1106056064 + 1106056065.

It is an arithmetic number, because the mean of its divisors is an integer number (1106056065).

Almost surely, 2^2212112129 is an apocalyptic number.

It is an amenable number.

2212112129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212112129 is an equidigital number, since it uses as much as digits as its factorization.

2212112129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 23.

The square root of 2212112129 is about 47033.0961026382. The cubic root of 2212112129 is about 1302.9738877841.

The spelling of 2212112129 in words is "two billion, two hundred twelve million, one hundred twelve thousand, one hundred twenty-nine".