12212000020221 has 8 divisors (see below), whose sum is σ = 16282753634304. Its totient is φ = 8141289876480.

The previous prime is 12212000020219. The next prime is 12212000020229. The reversal of 12212000020221 is 12202000021221.

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

It is not a de Polignac number, because 12212000020221 - 2¹ = 12212000020219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12212000020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212000020229) 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, 10206340 + ... + 11339901.

It is an arithmetic number, because the mean of its divisors is an integer number (2035344204288).

Almost surely, 2^{12212000020221} is an apocalyptic number.

It is an amenable number.

12212000020221 is a deficient number, since it is larger than the sum of its proper divisors (4070753614083).

12212000020221 is a wasteful number, since it uses less digits than its factorization.

12212000020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21735171.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12212000020221 its reverse (12202000021221), we get a palindrome (24414000041442).

The spelling of 12212000020221 in words is "twelve trillion, two hundred twelve billion, twenty thousand, two hundred twenty-one".