122220220112 has 20 divisors (see below), whose sum is σ = 236884649796. Its totient is φ = 61088697600.

The previous prime is 122220220091. The next prime is 122220220147. The reversal of 122220220112 is 211022022221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37750935616 + 84469284496 = 194296^2 + 290636^2 .

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, 1291139 + ... + 1382562.

Almost surely, 2^122220220112 is an apocalyptic number.

It is an amenable number.

122220220112 is a deficient number, since it is larger than the sum of its proper divisors (114664429684).

122220220112 is a wasteful number, since it uses less digits than its factorization.

122220220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676566 (or 2676560 counting only the distinct ones).

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

Adding to 122220220112 its reverse (211022022221), we get a palindrome (333242242333).

The spelling of 122220220112 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred twenty thousand, one hundred twelve".