1982200012 has 12 divisors (see below), whose sum is σ = 3735684736. Its totient is φ = 914861520.

The previous prime is 1982199991. The next prime is 1982200019. The reversal of 1982200012 is 2100022891.

It is a self number, because there is not a number n which added to its sum of digits gives 1982200012.

It is not an unprimeable number, because it can be changed into a prime (1982200019) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 19059564 + ... + 19059667.

Almost surely, 2^1982200012 is an apocalyptic number.

It is an amenable number.

1982200012 is a deficient number, since it is larger than the sum of its proper divisors (1753484724).

1982200012 is a wasteful number, since it uses less digits than its factorization.

1982200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38119248 (or 38119246 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1982200012 is about 44521.9048559246. The cubic root of 1982200012 is about 1256.1721427883.

The spelling of 1982200012 in words is "one billion, nine hundred eighty-two million, two hundred thousand, twelve".