113103012 has 24 divisors (see below), whose sum is σ = 287898912. Its totient is φ = 34273600.

The previous prime is 113102971. The next prime is 113103013. The reversal of 113103012 is 210301311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (113103013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428289 + ... + 428552.

It is an arithmetic number, because the mean of its divisors is an integer number (11995788).

Almost surely, 2^113103012 is an apocalyptic number.

113103012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113103012 is an abundant number, since it is smaller than the sum of its proper divisors (174795900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113103012 is a wasteful number, since it uses less digits than its factorization.

113103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856859 (or 856857 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 113103012 is about 10634.9899858909. The cubic root of 113103012 is about 483.6056768218.

Adding to 113103012 its reverse (210301311), we get a palindrome (323404323).

The spelling of 113103012 in words is "one hundred thirteen million, one hundred three thousand, twelve".