3120099999 has 16 divisors (see below), whose sum is σ = 4314066432. Its totient is φ = 2004192288.

The previous prime is 3120099989. The next prime is 3120100003. The reversal of 3120099999 is 9999900213.

It is a de Polignac number, because none of the positive numbers 2^k-3120099999 is a prime.

3120099999 is a modest number, since divided by 99999 gives 31200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120099929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125019 + ... + 147884.

It is an arithmetic number, because the mean of its divisors is an integer number (269629152).

Almost surely, 2^3120099999 is an apocalyptic number.

3120099999 is a deficient number, since it is larger than the sum of its proper divisors (1193966433).

3120099999 is a wasteful number, since it uses less digits than its factorization.

3120099999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273046.

The product of its (nonzero) digits is 354294, while the sum is 51.

The square root of 3120099999 is about 55857.8553025445. The cubic root of 3120099999 is about 1461.2443259076.

The spelling of 3120099999 in words is "three billion, one hundred twenty million, ninety-nine thousand, nine hundred ninety-nine".