12002000001 has 16 divisors (see below), whose sum is σ = 17274245760. Its totient is φ = 7389536000.

The previous prime is 12001999993. The next prime is 12002000053. The reversal of 12002000001 is 10000020021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12002000001 - 2³ = 12001999993 is a prime.

It is a super-3 number, since 3×12002000001³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12002000081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2997000 + ... + 3001001.

It is an arithmetic number, because the mean of its divisors is an integer number (1079640360).

Almost surely, 2^12002000001 is an apocalyptic number.

It is an amenable number.

12002000001 is a deficient number, since it is larger than the sum of its proper divisors (5272245759).

12002000001 is a wasteful number, since it uses less digits than its factorization.

12002000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998056.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 12002000001 its reverse (10000020021), we get a palindrome (22002020022).

The spelling of 12002000001 in words is "twelve billion, two million, one", and thus it is an aban number and an uban number.