12120200112221 has 8 divisors (see below), whose sum is σ = 12171215843904. Its totient is φ = 12069240291360.

The previous prime is 12120200112191. The next prime is 12120200112247. The reversal of 12120200112221 is 12221100202121.

12120200112221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120200112221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12120200112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120200112271) 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, 13543211 + ... + 14410376.

It is an arithmetic number, because the mean of its divisors is an integer number (1521401980488).

Almost surely, 2^{12120200112221} is an apocalyptic number.

It is an amenable number.

12120200112221 is a deficient number, since it is larger than the sum of its proper divisors (51015731683).

12120200112221 is a wasteful number, since it uses less digits than its factorization.

12120200112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27955411.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12120200112221 its reverse (12221100202121), we get a palindrome (24341300314342).

The spelling of 12120200112221 in words is "twelve trillion, one hundred twenty billion, two hundred million, one hundred twelve thousand, two hundred twenty-one".