12010100009 has 4 divisors (see below), whose sum is σ = 12029134080. Its totient is φ = 11991065940.

The previous prime is 12010099951. The next prime is 12010100017. The reversal of 12010100009 is 90000101021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90000101021 = 97 ⋅927836093.

It is a cyclic number.

It is not a de Polignac number, because 12010100009 - 2¹² = 12010095913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010099966 and 12010100002.

It is not an unprimeable number, because it can be changed into a prime (12010100909) 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 3 ways as a sum of consecutive naturals, for example, 9516089 + ... + 9517350.

It is an arithmetic number, because the mean of its divisors is an integer number (3007283520).

Almost surely, 2^12010100009 is an apocalyptic number.

It is an amenable number.

12010100009 is a deficient number, since it is larger than the sum of its proper divisors (19034071).

12010100009 is an equidigital number, since it uses as much as digits as its factorization.

12010100009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19034070.

The product of its (nonzero) digits is 18, while the sum is 14.

The spelling of 12010100009 in words is "twelve billion, ten million, one hundred thousand, nine".