1012122197 has 2 divisors, whose sum is σ = 1012122198. Its totient is φ = 1012122196.

The previous prime is 1012122143. The next prime is 1012122203. The reversal of 1012122197 is 7912212101.

1012122197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 931104196 + 81018001 = 30514^2 + 9001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012122197 - 2²⁴ = 995344981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012125197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506061098 + 506061099.

It is an arithmetic number, because the mean of its divisors is an integer number (506061099).

Almost surely, 2^1012122197 is an apocalyptic number.

It is an amenable number.

1012122197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012122197 is an equidigital number, since it uses as much as digits as its factorization.

1012122197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 1012122197 is about 31813.8679980916. The cubic root of 1012122197 is about 1004.0245138933.

Adding to 1012122197 its reverse (7912212101), we get a palindrome (8924334298).

The spelling of 1012122197 in words is "one billion, twelve million, one hundred twenty-two thousand, one hundred ninety-seven".