2112312229 has 2 divisors, whose sum is σ = 2112312230. Its totient is φ = 2112312228.

The previous prime is 2112312197. The next prime is 2112312247. The reversal of 2112312229 is 9222132112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1222900900 + 889411329 = 34970^2 + 29823^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112312229 - 2⁵ = 2112312197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112312269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056156114 + 1056156115.

It is an arithmetic number, because the mean of its divisors is an integer number (1056156115).

Almost surely, 2^2112312229 is an apocalyptic number.

It is an amenable number.

2112312229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112312229 is an equidigital number, since it uses as much as digits as its factorization.

2112312229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 2112312229 is about 45959.8980525414. The cubic root of 2112312229 is about 1283.0769539610.

The spelling of 2112312229 in words is "two billion, one hundred twelve million, three hundred twelve thousand, two hundred twenty-nine".