2012220022212 has 72 divisors (see below), whose sum is σ = 5128491193280. Its totient is φ = 665209972800.

The previous prime is 2012220022199. The next prime is 2012220022231. The reversal of 2012220022212 is 2122200222102.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 3030339 + ... + 3634197.

Almost surely, 2^{2012220022212} is an apocalyptic number.

It is an amenable number.

2012220022212 is an abundant number, since it is smaller than the sum of its proper divisors (3116271171068).

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

2012220022212 is a wasteful number, since it uses less digits than its factorization.

2012220022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604633 (or 604628 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2012220022212 its reverse (2122200222102), we get a palindrome (4134420244314).

The spelling of 2012220022212 in words is "two trillion, twelve billion, two hundred twenty million, twenty-two thousand, two hundred twelve".