1200211996 has 12 divisors (see below), whose sum is σ = 2168125120. Its totient is φ = 580747680.

The previous prime is 1200211993. The next prime is 1200211997. The reversal of 1200211996 is 6991120021.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200211993) 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 3 ways as a sum of consecutive naturals, for example, 4839441 + ... + 4839688.

Almost surely, 2^1200211996 is an apocalyptic number.

It is an amenable number.

1200211996 is a deficient number, since it is larger than the sum of its proper divisors (967913124).

1200211996 is a wasteful number, since it uses less digits than its factorization.

1200211996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9679164 (or 9679162 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1200211996 is about 34644.0759149382. The cubic root of 1200211996 is about 1062.7211430996.

The spelling of 1200211996 in words is "one billion, two hundred million, two hundred eleven thousand, nine hundred ninety-six".