12000001207 has 4 divisors (see below), whose sum is σ = 12003764976. Its totient is φ = 11996237440.

The previous prime is 12000001159. The next prime is 12000001231. The reversal of 12000001207 is 70210000021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000001207 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 (12000001297) 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, 1877098 + ... + 1883479.

It is an arithmetic number, because the mean of its divisors is an integer number (3000941244).

Almost surely, 2^12000001207 is an apocalyptic number.

12000001207 is a deficient number, since it is larger than the sum of its proper divisors (3763769).

12000001207 is an equidigital number, since it uses as much as digits as its factorization.

12000001207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763768.

The product of its (nonzero) digits is 28, while the sum is 13.

Adding to 12000001207 its reverse (70210000021), we get a palindrome (82210001228).

The spelling of 12000001207 in words is "twelve billion, one thousand, two hundred seven".