12000110012221 has 8 divisors (see below), whose sum is σ = 12032321565600. Its totient is φ = 11967901349040.

The previous prime is 12000110012161. The next prime is 12000110012251. The reversal of 12000110012221 is 12221001100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12000110012221 - 2³⁹ = 11450354198333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000110012251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7724931 + ... + 9147391.

It is an arithmetic number, because the mean of its divisors is an integer number (1504040195700).

Almost surely, 2^{12000110012221} is an apocalyptic number.

It is an amenable number.

12000110012221 is a deficient number, since it is larger than the sum of its proper divisors (32211553379).

12000110012221 is a wasteful number, since it uses less digits than its factorization.

12000110012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445099.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12000110012221 its reverse (12221001100021), we get a palindrome (24221111112242).

The spelling of 12000110012221 in words is "twelve trillion, one hundred ten million, twelve thousand, two hundred twenty-one".