1012112303 has 4 divisors (see below), whose sum is σ = 1013067288. Its totient is φ = 1011157320.

The previous prime is 1012112293. The next prime is 1012112333. The reversal of 1012112303 is 3032112101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012112303 - 2⁴ = 1012112287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012112333) 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 in 3 ways as a sum of consecutive naturals, for example, 475901 + ... + 478022.

It is an arithmetic number, because the mean of its divisors is an integer number (253266822).

Almost surely, 2^1012112303 is an apocalyptic number.

1012112303 is a deficient number, since it is larger than the sum of its proper divisors (954985).

1012112303 is an equidigital number, since it uses as much as digits as its factorization.

1012112303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954984.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1012112303 is about 31813.7124994868. The cubic root of 1012112303 is about 1004.0212422689.

Adding to 1012112303 its reverse (3032112101), we get a palindrome (4044224404).

The spelling of 1012112303 in words is "one billion, twelve million, one hundred twelve thousand, three hundred three".