1222222210112 has 28 divisors (see below), whose sum is σ = 2426100586956. Its totient is φ = 610921274880.

The previous prime is 1222222210103. The next prime is 1222222210129. The reversal of 1222222210112 is 2110122222221.

It can be written as a sum of positive squares in 2 ways, for example, as 882818093056 + 339404117056 = 939584^2 + 582584^2 .

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, 2758343 + ... + 3170630.

Almost surely, 2^{1222222210112} is an apocalyptic number.

It is an amenable number.

1222222210112 is a deficient number, since it is larger than the sum of its proper divisors (1203878376844).

1222222210112 is an equidigital number, since it uses as much as digits as its factorization.

1222222210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5932206 (or 5932196 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1222222210112 its reverse (2110122222221), we get a palindrome (3332344432333).

The spelling of 1222222210112 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred ten thousand, one hundred twelve".