1200999982 has 32 divisors (see below), whose sum is σ = 2238792192. Its totient is φ = 470500704.

The previous prime is 1200999967. The next prime is 1201000007. The reversal of 1200999982 is 2899990021.

It is a happy number.

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 in 15 ways as a sum of consecutive naturals, for example, 13288 + ... + 50779.

It is an arithmetic number, because the mean of its divisors is an integer number (69962256).

Almost surely, 2^1200999982 is an apocalyptic number.

1200999982 is a deficient number, since it is larger than the sum of its proper divisors (1037792210).

1200999982 is a wasteful number, since it uses less digits than its factorization.

1200999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64192.

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 1200999982 is about 34655.4466426275. The cubic root of 1200999982 is about 1062.9536648508.

The spelling of 1200999982 in words is "one billion, two hundred million, nine hundred ninety-nine thousand, nine hundred eighty-two".