12000201120021 has 16 divisors (see below), whose sum is σ = 16402173299136. Its totient is φ = 7801033608576.

The previous prime is 12000201119999. The next prime is 12000201120107. The reversal of 12000201120021 is 12002110200021.

It is not a de Polignac number, because 12000201120021 - 2⁶ = 12000201119957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12000201119979 and 12000201120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000201125021) 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, 231486240 + ... + 231538073.

It is an arithmetic number, because the mean of its divisors is an integer number (1025135831196).

Almost surely, 2^{12000201120021} is an apocalyptic number.

It is an amenable number.

12000201120021 is a deficient number, since it is larger than the sum of its proper divisors (4401972179115).

12000201120021 is a wasteful number, since it uses less digits than its factorization.

12000201120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463024532.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12000201120021 its reverse (12002110200021), we get a palindrome (24002311320042).

The spelling of 12000201120021 in words is "twelve trillion, two hundred one million, one hundred twenty thousand, twenty-one".