2012099999 has 8 divisors (see below), whose sum is σ = 2476430880. Its totient is φ = 1591991136.

The previous prime is 2012099983. The next prime is 2012100037. The reversal of 2012099999 is 9999902102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012099999 - 2⁴ = 2012099983 is a prime.

2012099999 is a modest number, since divided by 99999 gives 20120 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012099959) 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, 11055404 + ... + 11055585.

It is an arithmetic number, because the mean of its divisors is an integer number (309553860).

Almost surely, 2^2012099999 is an apocalyptic number.

2012099999 is a deficient number, since it is larger than the sum of its proper divisors (464330881).

2012099999 is a wasteful number, since it uses less digits than its factorization.

2012099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22111009.

The product of its (nonzero) digits is 236196, while the sum is 50.

The square root of 2012099999 is about 44856.4376539199. The cubic root of 2012099999 is about 1262.4567835940.

The spelling of 2012099999 in words is "two billion, twelve million, ninety-nine thousand, nine hundred ninety-nine".