1012122203 has 2 divisors, whose sum is σ = 1012122204. Its totient is φ = 1012122202.

The previous prime is 1012122197. The next prime is 1012122227. The reversal of 1012122203 is 3022212101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012122203 - 2²⁶ = 945013339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1012122263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506061101 + 506061102.

It is an arithmetic number, because the mean of its divisors is an integer number (506061102).

Almost surely, 2^1012122203 is an apocalyptic number.

1012122203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012122203 is an equidigital number, since it uses as much as digits as its factorization.

1012122203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1012122203 is about 31813.8680923901. The cubic root of 1012122203 is about 1004.0245158773.

Adding to 1012122203 its reverse (3022212101), we get a palindrome (4034334304).

The spelling of 1012122203 in words is "one billion, twelve million, one hundred twenty-two thousand, two hundred three".