118820412 has 48 divisors (see below), whose sum is σ = 326178720. Its totient is φ = 37276416.

The previous prime is 118820411. The next prime is 118820423. The reversal of 118820412 is 214028811.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118820411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30523 + ... + 34194.

It is an arithmetic number, because the mean of its divisors is an integer number (6795390).

Almost surely, 2^118820412 is an apocalyptic number.

118820412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118820412 is an abundant number, since it is smaller than the sum of its proper divisors (207358308).

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

118820412 is a wasteful number, since it uses less digits than its factorization.

118820412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64747 (or 64739 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 118820412 is about 10900.4776042153. The cubic root of 118820412 is about 491.6209156062.

The spelling of 118820412 in words is "one hundred eighteen million, eight hundred twenty thousand, four hundred twelve".