1222113112 has 32 divisors (see below), whose sum is σ = 2527880400. Its totient is φ = 549260800.

The previous prime is 1222113103. The next prime is 1222113127. The reversal of 1222113112 is 2113112221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70189 + ... + 85852.

Almost surely, 2^1222113112 is an apocalyptic number.

It is an amenable number.

1222113112 is an abundant number, since it is smaller than the sum of its proper divisors (1305767288).

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

1222113112 is a wasteful number, since it uses less digits than its factorization.

1222113112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156147 (or 156143 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 1222113112 is about 34958.7344164516. The cubic root of 1222113112 is about 1069.1462931624.

Adding to 1222113112 its reverse (2113112221), we get a palindrome (3335225333).

The spelling of 1222113112 in words is "one billion, two hundred twenty-two million, one hundred thirteen thousand, one hundred twelve".