2220212211012 has 72 divisors (see below), whose sum is σ = 5704723671192. Its totient is φ = 727872422400.

The previous prime is 2220212210833. The next prime is 2220212211017. The reversal of 2220212211012 is 2101122120222.

It is a happy number.

2220212211012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 204334737156 + 2015877473856 = 452034^2 + 1419816^2 .

It is a super-2 number, since 2×2220212211012² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2220212211017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28115488 + ... + 28194344.

It is an arithmetic number, because the mean of its divisors is an integer number (79232273211).

Almost surely, 2^{2220212211012} is an apocalyptic number.

It is an amenable number.

2220212211012 is an abundant number, since it is smaller than the sum of its proper divisors (3484511460180).

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

2220212211012 is a wasteful number, since it uses less digits than its factorization.

2220212211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91749 (or 91744 counting only the distinct ones).

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

Adding to 2220212211012 its reverse (2101122120222), we get a palindrome (4321334331234).

The spelling of 2220212211012 in words is "two trillion, two hundred twenty billion, two hundred twelve million, two hundred eleven thousand, twelve".