12002120006 has 4 divisors (see below), whose sum is σ = 18003180012. Its totient is φ = 6001060002.

The previous prime is 12002119979. The next prime is 12002120023. The reversal of 12002120006 is 60002120021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000530000 + ... + 3000530003.

It is an arithmetic number, because the mean of its divisors is an integer number (4500795003).

Almost surely, 2^12002120006 is an apocalyptic number.

12002120006 is a deficient number, since it is larger than the sum of its proper divisors (6001060006).

12002120006 is an equidigital number, since it uses as much as digits as its factorization.

12002120006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001060005.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12002120006 its reverse (60002120021), we get a palindrome (72004240027).

The spelling of 12002120006 in words is "twelve billion, two million, one hundred twenty thousand, six".