112712820 has 48 divisors (see below), whose sum is σ = 344288448. Its totient is φ = 27324160.

The previous prime is 112712791. The next prime is 112712843. The reversal of 112712820 is 28217211.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 84729 + ... + 86048.

It is an arithmetic number, because the mean of its divisors is an integer number (7172676).

Almost surely, 2^112712820 is an apocalyptic number.

112712820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112712820 is an abundant number, since it is smaller than the sum of its proper divisors (231575628).

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

112712820 is a wasteful number, since it uses less digits than its factorization.

112712820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170800 (or 170798 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 112712820 is about 10616.6294086212. The cubic root of 112712820 is about 483.0489086266.

The spelling of 112712820 in words is "one hundred twelve million, seven hundred twelve thousand, eight hundred twenty".