12001200010221 has 16 divisors (see below), whose sum is σ = 16437855168000. Its totient is φ = 7782771889728.

The previous prime is 12001200010201. The next prime is 12001200010223. The reversal of 12001200010221 is 12201000210021.

It is not a de Polignac number, because 12001200010221 - 2²³ = 12001191621613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12001200010197 and 12001200010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001200010223) 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, 11947581 + ... + 12913058.

It is an arithmetic number, because the mean of its divisors is an integer number (1027365948000).

Almost surely, 2^{12001200010221} is an apocalyptic number.

It is an amenable number.

12001200010221 is a deficient number, since it is larger than the sum of its proper divisors (4436655157779).

12001200010221 is a wasteful number, since it uses less digits than its factorization.

12001200010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24865028.

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

Adding to 12001200010221 its reverse (12201000210021), we get a palindrome (24202200220242).

The spelling of 12001200010221 in words is "twelve trillion, one billion, two hundred million, ten thousand, two hundred twenty-one".