1000199112 has 32 divisors (see below), whose sum is σ = 2727816480. Its totient is φ = 303090560.

The previous prime is 1000199099. The next prime is 1000199117. The reversal of 1000199112 is 2119910001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1000199117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894053 + ... + 1894580.

It is an arithmetic number, because the mean of its divisors is an integer number (85244265).

Almost surely, 2^1000199112 is an apocalyptic number.

1000199112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000199112 is an abundant number, since it is smaller than the sum of its proper divisors (1727617368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000199112 is a wasteful number, since it uses less digits than its factorization.

1000199112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788653 (or 3788649 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 1000199112 is about 31625.9246821338. The cubic root of 1000199112 is about 1000.0663662621.

The spelling of 1000199112 in words is "one billion, one hundred ninety-nine thousand, one hundred twelve".