1012112203 has 2 divisors, whose sum is σ = 1012112204. Its totient is φ = 1012112202.

The previous prime is 1012112191. The next prime is 1012112239. The reversal of 1012112203 is 3022112101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012112203 - 2¹³ = 1012104011 is a prime.

It is a super-2 number, since 2×1012112203² = 2048742222923026418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012112293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506056101 + 506056102.

It is an arithmetic number, because the mean of its divisors is an integer number (506056102).

Almost surely, 2^1012112203 is an apocalyptic number.

1012112203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012112203 is an equidigital number, since it uses as much as digits as its factorization.

1012112203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1012112203 is about 31813.7109278374. The cubic root of 1012112203 is about 1004.0212092021.

Adding to 1012112203 its reverse (3022112101), we get a palindrome (4034224304).

The spelling of 1012112203 in words is "one billion, twelve million, one hundred twelve thousand, two hundred three".