118351812 has 12 divisors (see below), whose sum is σ = 276154256. Its totient is φ = 39450600.

The previous prime is 118351811. The next prime is 118351823. The reversal of 118351812 is 218153811.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 118351812.

It is not an unprimeable number, because it can be changed into a prime (118351811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4931314 + ... + 4931337.

Almost surely, 2^118351812 is an apocalyptic number.

118351812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118351812 is an abundant number, since it is smaller than the sum of its proper divisors (157802444).

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

118351812 is a wasteful number, since it uses less digits than its factorization.

118351812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9862658 (or 9862656 counting only the distinct ones).

The product of its digits is 1920, while the sum is 30.

The square root of 118351812 is about 10878.9618990049. The cubic root of 118351812 is about 490.9737847276.

The spelling of 118351812 in words is "one hundred eighteen million, three hundred fifty-one thousand, eight hundred twelve".