1012112221203 has 12 divisors (see below), whose sum is σ = 1461948962760. Its totient is φ = 674737286496.

The previous prime is 1012112221129. The next prime is 1012112221207. The reversal of 1012112221203 is 3021222112101.

It is not a de Polignac number, because 1012112221203 - 2²⁶ = 1012045112339 is a prime.

It is a super-2 number, since 2×1012112221203² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012112221207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2034775 + ... + 2482847.

It is an arithmetic number, because the mean of its divisors is an integer number (121829080230).

Almost surely, 2^{1012112221203} is an apocalyptic number.

1012112221203 is a deficient number, since it is larger than the sum of its proper divisors (449836741557).

1012112221203 is a wasteful number, since it uses less digits than its factorization.

1012112221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699058 (or 699055 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1012112221203 its reverse (3021222112101), we get a palindrome (4033334333304).

The spelling of 1012112221203 in words is "one trillion, twelve billion, one hundred twelve million, two hundred twenty-one thousand, two hundred three".