112220220212 has 12 divisors (see below), whose sum is σ = 196390397700. Its totient is φ = 56108678016.

The previous prime is 112220220143. The next prime is 112220220227. The reversal of 112220220212 is 212022022211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54776593936 + 57443626276 = 234044^2 + 239674^2 .

It is a congruent number.

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, 170837 + ... + 503612.

It is an arithmetic number, because the mean of its divisors is an integer number (16365866475).

Almost surely, 2^112220220212 is an apocalyptic number.

It is an amenable number.

112220220212 is a deficient number, since it is larger than the sum of its proper divisors (84170177488).

112220220212 is a wasteful number, since it uses less digits than its factorization.

112220220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716050 (or 716048 counting only the distinct ones).

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

Adding to 112220220212 its reverse (212022022211), we get a palindrome (324242242423).

The spelling of 112220220212 in words is "one hundred twelve billion, two hundred twenty million, two hundred twenty thousand, two hundred twelve".