12000122020221 has 8 divisors (see below), whose sum is σ = 16024892468544. Its totient is φ = 7987716459360.

The previous prime is 12000122020219. The next prime is 12000122020231. The reversal of 12000122020221 is 12202022100021.

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

It is not a de Polignac number, because 12000122020221 - 2¹ = 12000122020219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12000122020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000122020231) 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, 3091219600 + ... + 3091223481.

It is an arithmetic number, because the mean of its divisors is an integer number (2003111558568).

Almost surely, 2^{12000122020221} is an apocalyptic number.

It is an amenable number.

12000122020221 is a deficient number, since it is larger than the sum of its proper divisors (4024770448323).

12000122020221 is an equidigital number, since it uses as much as digits as its factorization.

12000122020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6182443731.

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

Adding to 12000122020221 its reverse (12202022100021), we get a palindrome (24202144120242).

The spelling of 12000122020221 in words is "twelve trillion, one hundred twenty-two million, twenty thousand, two hundred twenty-one".