2122212202212 has 24 divisors (see below), whose sum is σ = 4951852266816. Its totient is φ = 707400668128.

The previous prime is 2122212202199. The next prime is 2122212202259. The reversal of 2122212202212 is 2122022122212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4126378 + ... + 4612094.

It is an arithmetic number, because the mean of its divisors is an integer number (206327177784).

Almost surely, 2^{2122212202212} is an apocalyptic number.

It is an amenable number.

2122212202212 is an abundant number, since it is smaller than the sum of its proper divisors (2829640064604).

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

2122212202212 is a wasteful number, since it uses less digits than its factorization.

2122212202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849827 (or 849825 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2122212202212 its reverse (2122022122212), we get a palindrome (4244234324424).

The spelling of 2122212202212 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, two hundred two thousand, two hundred twelve".