12100999999 has 8 divisors (see below), whose sum is σ = 13227552000. Its totient is φ = 10978858200.

The previous prime is 12100999951. The next prime is 12101000029. The reversal of 12100999999 is 99999900121.

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 12100999999 - 2⁷ = 12100999871 is a prime.

It is a Duffinian number.

12100999999 is a modest number, since divided by 999999 gives 12100 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100999919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096807 + ... + 1107784.

It is an arithmetic number, because the mean of its divisors is an integer number (1653444000).

Almost surely, 2^12100999999 is an apocalyptic number.

12100999999 is a deficient number, since it is larger than the sum of its proper divisors (1126552001).

12100999999 is a wasteful number, since it uses less digits than its factorization.

12100999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205101.

The product of its (nonzero) digits is 1062882, while the sum is 58.

The spelling of 12100999999 in words is "twelve billion, one hundred million, nine hundred ninety-nine thousand, nine hundred ninety-nine".