12000002021001 has 12 divisors (see below), whose sum is σ = 17337452511600. Its totient is φ = 7998101535480.

The previous prime is 12000002020987. The next prime is 12000002021057. The reversal of 12000002021001 is 10012020000021.

It is not a de Polignac number, because 12000002021001 - 2¹³ = 12000002012809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12000002021701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158277651 + ... + 158353448.

It is an arithmetic number, because the mean of its divisors is an integer number (1444787709300).

Almost surely, 2^{12000002021001} is an apocalyptic number.

It is an amenable number.

12000002021001 is a deficient number, since it is larger than the sum of its proper divisors (5337450490599).

12000002021001 is a wasteful number, since it uses less digits than its factorization.

12000002021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316635316 (or 316635313 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12000002021001 its reverse (10012020000021), we get a palindrome (22012022021022).

The spelling of 12000002021001 in words is "twelve trillion, two million, twenty-one thousand, one".