2202121220012 has 48 divisors (see below), whose sum is σ = 4548271257600. Its totient is φ = 932395511376.

The previous prime is 2202121219939. The next prime is 2202121220023. The reversal of 2202121220012 is 2100221212022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9555068 + ... + 9782819.

It is an arithmetic number, because the mean of its divisors is an integer number (94755651200).

Almost surely, 2^{2202121220012} is an apocalyptic number.

It is an amenable number.

2202121220012 is an abundant number, since it is smaller than the sum of its proper divisors (2346150037588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2202121220012 is a wasteful number, since it uses less digits than its factorization.

2202121220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19337995 (or 19337979 counting only the distinct ones).

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

Adding to 2202121220012 its reverse (2100221212022), we get a palindrome (4302342432034).

The spelling of 2202121220012 in words is "two trillion, two hundred two billion, one hundred twenty-one million, two hundred twenty thousand, twelve".