12001002099 has 8 divisors (see below), whose sum is σ = 16089742032. Its totient is φ = 7956465120.

The previous prime is 12001002089. The next prime is 12001002107. The reversal of 12001002099 is 99020010021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12001002099 - 2³³ = 3411067507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001002019) 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, 11050104 + ... + 11051189.

It is an arithmetic number, because the mean of its divisors is an integer number (2011217754).

Almost surely, 2^12001002099 is an apocalyptic number.

12001002099 is a deficient number, since it is larger than the sum of its proper divisors (4088739933).

12001002099 is a wasteful number, since it uses less digits than its factorization.

12001002099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22101477.

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 12001002099 in words is "twelve billion, one million, two thousand, ninety-nine".