2012222211201 has 20 divisors (see below), whose sum is σ = 3006032811012. Its totient is φ = 1341427644288.

The previous prime is 2012222211199. The next prime is 2012222211247. The reversal of 2012222211201 is 1021122222102.

It is a happy number.

2012222211201 is a `hidden beast` number, since 20 + 1 + 222 + 221 + 1 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 67703519601 + 1944518691600 = 260199^2 + 1394460^2 .

It is not a de Polignac number, because 2012222211201 - 2¹ = 2012222211199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012222211271) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1586101 + ... + 2557373.

Almost surely, 2^{2012222211201} is an apocalyptic number.

It is an amenable number.

2012222211201 is a deficient number, since it is larger than the sum of its proper divisors (993810599811).

2012222211201 is an equidigital number, since it uses as much as digits as its factorization.

2012222211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996862 (or 996853 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2012222211201 its reverse (1021122222102), we get a palindrome (3033344433303).

The spelling of 2012222211201 in words is "two trillion, twelve billion, two hundred twenty-two million, two hundred eleven thousand, two hundred one".