12221200982 has 4 divisors (see below), whose sum is σ = 18331801476. Its totient is φ = 6110600490.

The previous prime is 12221200939. The next prime is 12221200997. The reversal of 12221200982 is 28900212221.

It is a happy number.

12221200982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28900212221 = 167 ⋅173055163.

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 as a sum of consecutive naturals, namely, 3055300244 + ... + 3055300247.

It is an arithmetic number, because the mean of its divisors is an integer number (4582950369).

Almost surely, 2^12221200982 is an apocalyptic number.

12221200982 is a deficient number, since it is larger than the sum of its proper divisors (6110600494).

12221200982 is an equidigital number, since it uses as much as digits as its factorization.

12221200982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110600493.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 12221200982 in words is "twelve billion, two hundred twenty-one million, two hundred thousand, nine hundred eighty-two".