112780173912 has 64 divisors (see below), whose sum is σ = 322253959680. Its totient is φ = 32220417792.

The previous prime is 112780173901. The next prime is 112780173917. The reversal of 112780173912 is 219371087211.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112780173917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4178653 + ... + 4205555.

It is an arithmetic number, because the mean of its divisors is an integer number (5035218120).

Almost surely, 2^112780173912 is an apocalyptic number.

112780173912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112780173912 is an abundant number, since it is smaller than the sum of its proper divisors (209473785768).

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

112780173912 is a wasteful number, since it uses less digits than its factorization.

112780173912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51872 (or 51868 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 42.

The spelling of 112780173912 in words is "one hundred twelve billion, seven hundred eighty million, one hundred seventy-three thousand, nine hundred twelve".