1112012123103 has 32 divisors (see below), whose sum is σ = 1882856025600. Its totient is φ = 635407089408.

The previous prime is 1112012123083. The next prime is 1112012123111. The reversal of 1112012123103 is 3013212102111.

It is not a de Polignac number, because 1112012123103 - 2²⁹ = 1111475252191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112012123113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4545903 + ... + 4784271.

It is an arithmetic number, because the mean of its divisors is an integer number (58839250800).

Almost surely, 2^{1112012123103} is an apocalyptic number.

1112012123103 is a deficient number, since it is larger than the sum of its proper divisors (770843902497).

1112012123103 is a wasteful number, since it uses less digits than its factorization.

1112012123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263068 (or 263062 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1112012123103 its reverse (3013212102111), we get a palindrome (4125224225214).

The spelling of 1112012123103 in words is "one trillion, one hundred twelve billion, twelve million, one hundred twenty-three thousand, one hundred three".