12101982 has 8 divisors (see below), whose sum is σ = 24203976. Its totient is φ = 4033992.

The previous prime is 12101927. The next prime is 12102001. The reversal of 12101982 is 28910121.

It is a sphenic number, since it is the product of 3 distinct primes.

12101982 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1008493 + ... + 1008504.

It is an arithmetic number, because the mean of its divisors is an integer number (3025497).

Almost surely, 2^12101982 is an apocalyptic number.

12101982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12101982 is a wasteful number, since it uses less digits than its factorization.

12101982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017002.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 12101982 is about 3478.7903069889. The cubic root of 12101982 is about 229.5895768152.

The spelling of 12101982 in words is "twelve million, one hundred one thousand, nine hundred eighty-two".