1222102112 has 48 divisors (see below), whose sum is σ = 2999711232. Its totient is φ = 476142720.

The previous prime is 1222102111. The next prime is 1222102139. The reversal of 1222102112 is 2112012221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222102111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245528 + ... + 250455.

It is an arithmetic number, because the mean of its divisors is an integer number (62493984).

Almost surely, 2^1222102112 is an apocalyptic number.

It is an amenable number.

1222102112 is an abundant number, since it is smaller than the sum of its proper divisors (1777609120).

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

1222102112 is a wasteful number, since it uses less digits than its factorization.

1222102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496011 (or 496003 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1222102112 is about 34958.5770877477. The cubic root of 1222102112 is about 1069.1430854275.

Adding to 1222102112 its reverse (2112012221), we get a palindrome (3334114333).

The spelling of 1222102112 in words is "one billion, two hundred twenty-two million, one hundred two thousand, one hundred twelve".