2012222200121 has 8 divisors (see below), whose sum is σ = 2338660184640. Its totient is φ = 1695528633168.

The previous prime is 2012222200063. The next prime is 2012222200139. The reversal of 2012222200121 is 1210022222102.

It is a happy number.

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 2012222200121 - 2⁶ = 2012222200057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012222200121.

It is not an unprimeable number, because it can be changed into a prime (2012222200721) 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, 2436103946 + ... + 2436104771.

It is an arithmetic number, because the mean of its divisors is an integer number (292332523080).

Almost surely, 2^{2012222200121} is an apocalyptic number.

It is an amenable number.

2012222200121 is a deficient number, since it is larger than the sum of its proper divisors (326437984519).

2012222200121 is an equidigital number, since it uses as much as digits as its factorization.

2012222200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872208783.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2012222200121 its reverse (1210022222102), we get a palindrome (3222244422223).

The spelling of 2012222200121 in words is "two trillion, twelve billion, two hundred twenty-two million, two hundred thousand, one hundred twenty-one".