1012112239 has 2 divisors, whose sum is σ = 1012112240. Its totient is φ = 1012112238.

The previous prime is 1012112203. The next prime is 1012112261. The reversal of 1012112239 is 9322112101.

It is an a-pointer prime, because the next prime (1012112261) can be obtained adding 1012112239 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012112239 - 2¹¹ = 1012110191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012112279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506056119 + 506056120.

It is an arithmetic number, because the mean of its divisors is an integer number (506056120).

Almost surely, 2^1012112239 is an apocalyptic number.

1012112239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012112239 is an equidigital number, since it uses as much as digits as its factorization.

1012112239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1012112239 is about 31813.7114936312. The cubic root of 1012112239 is about 1004.0212211061.

The spelling of 1012112239 in words is "one billion, twelve million, one hundred twelve thousand, two hundred thirty-nine".