100012099999 has 4 divisors (see below), whose sum is σ = 114299542864. Its totient is φ = 85724657136.

The previous prime is 100012099981. The next prime is 100012100057. The reversal of 100012099999 is 999990210001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999990210001 = 10247 ⋅97588583.

It is a cyclic number.

It is not a de Polignac number, because 100012099999 - 2¹⁵ = 100012067231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012099949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7143721422 + ... + 7143721435.

It is an arithmetic number, because the mean of its divisors is an integer number (28574885716).

Almost surely, 2^100012099999 is an apocalyptic number.

100012099999 is a deficient number, since it is larger than the sum of its proper divisors (14287442865).

100012099999 is an equidigital number, since it uses as much as digits as its factorization.

100012099999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14287442864.

The product of its (nonzero) digits is 118098, while the sum is 49.

The spelling of 100012099999 in words is "one hundred billion, twelve million, ninety-nine thousand, nine hundred ninety-nine".