1000020222112 has 24 divisors (see below), whose sum is σ = 1969386804000. Its totient is φ = 499858494144.

The previous prime is 1000020222107. The next prime is 1000020222151. The reversal of 1000020222112 is 2112220200001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1000020222092 and 1000020222101.

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, 4630812 + ... + 4841947.

It is an arithmetic number, because the mean of its divisors is an integer number (82057783500).

Almost surely, 2^{1000020222112} is an apocalyptic number.

It is an amenable number.

1000020222112 is a deficient number, since it is larger than the sum of its proper divisors (969366581888).

1000020222112 is an equidigital number, since it uses as much as digits as its factorization.

1000020222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9476068 (or 9476060 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1000020222112 its reverse (2112220200001), we get a palindrome (3112240422113).

The spelling of 1000020222112 in words is "one trillion, twenty million, two hundred twenty-two thousand, one hundred twelve".