2212212112 has 20 divisors (see below), whose sum is σ = 4675812336. Its totient is φ = 1005550880.

The previous prime is 2212212109. The next prime is 2212212131. The reversal of 2212212112 is 2112122122.

It is a happy number.

2212212112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6284518 + ... + 6284869.

Almost surely, 2^2212212112 is an apocalyptic number.

2212212112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2212212112 is an abundant number, since it is smaller than the sum of its proper divisors (2463600224).

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

2212212112 is a wasteful number, since it uses less digits than its factorization.

2212212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12569406 (or 12569400 counting only the distinct ones).

The product of its digits is 64, while the sum is 16.

The square root of 2212212112 is about 47034.1589910992. The cubic root of 2212212112 is about 1302.9935180843.

Adding to 2212212112 its reverse (2112122122), we get a palindrome (4324334234).

The spelling of 2212212112 in words is "two billion, two hundred twelve million, two hundred twelve thousand, one hundred twelve".