1099129912 has 16 divisors (see below), whose sum is σ = 2061288000. Its totient is φ = 549453120.

The previous prime is 1099129909. The next prime is 1099129919. The reversal of 1099129912 is 2199219901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099129919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40089 + ... + 61687.

It is an arithmetic number, because the mean of its divisors is an integer number (128830500).

Almost surely, 2^1099129912 is an apocalyptic number.

It is an amenable number.

1099129912 is a deficient number, since it is larger than the sum of its proper divisors (962158088).

1099129912 is a wasteful number, since it uses less digits than its factorization.

1099129912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27966 (or 27962 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 43.

The square root of 1099129912 is about 33153.1282385237. The cubic root of 1099129912 is about 1032.0078695592.

The spelling of 1099129912 in words is "one billion, ninety-nine million, one hundred twenty-nine thousand, nine hundred twelve".