1012222120112 has 60 divisors (see below), whose sum is σ = 2282828025816. Its totient is φ = 433532816640.

The previous prime is 1012222120081. The next prime is 1012222120171. The reversal of 1012222120112 is 2110212222101.

1012222120112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820748 + ... + 1642580.

Almost surely, 2^{1012222120112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012222120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141414012908).

1012222120112 is an abundant number, since it is smaller than the sum of its proper divisors (1270605905704).

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

1012222120112 is a wasteful number, since it uses less digits than its factorization.

1012222120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823426 (or 823413 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1012222120112 its reverse (2110212222101), we get a palindrome (3122434342213).

The spelling of 1012222120112 in words is "one trillion, twelve billion, two hundred twenty-two million, one hundred twenty thousand, one hundred twelve".