112220231212 has 6 divisors (see below), whose sum is σ = 196385404628. Its totient is φ = 56110115604.

The previous prime is 112220231159. The next prime is 112220231219. The reversal of 112220231212 is 212132022211.

It is a self number, because there is not a number n which added to its sum of digits gives 112220231212.

It is not an unprimeable number, because it can be changed into a prime (112220231219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027528898 + ... + 14027528905.

Almost surely, 2^112220231212 is an apocalyptic number.

It is an amenable number.

112220231212 is a deficient number, since it is larger than the sum of its proper divisors (84165173416).

112220231212 is a wasteful number, since it uses less digits than its factorization.

112220231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28055057807 (or 28055057805 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 112220231212 its reverse (212132022211), we get a palindrome (324352253423).

The spelling of 112220231212 in words is "one hundred twelve billion, two hundred twenty million, two hundred thirty-one thousand, two hundred twelve".