1199030812 has 12 divisors (see below), whose sum is σ = 2398061680. Its totient is φ = 513870336.

The previous prime is 1199030797. The next prime is 1199030849. The reversal of 1199030812 is 2180309911.

1199030812 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21411237 + ... + 21411292.

Almost surely, 2^1199030812 is an apocalyptic number.

It is an amenable number.

1199030812 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.

1199030812 is a wasteful number, since it uses less digits than its factorization.

1199030812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42822540 (or 42822538 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 1199030812 is about 34627.0243018369. The cubic root of 1199030812 is about 1062.3724043685.

The spelling of 1199030812 in words is "one billion, one hundred ninety-nine million, thirty thousand, eight hundred twelve".