1012221010112 has 56 divisors (see below), whose sum is σ = 2168132230656. Its totient is φ = 466099826688.

The previous prime is 1012221010067. The next prime is 1012221010121. The reversal of 1012221010112 is 2110101222101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044608 + ... + 1765119.

It is an arithmetic number, because the mean of its divisors is an integer number (38716646976).

Almost surely, 2^{1012221010112} is an apocalyptic number.

It is an amenable number.

1012221010112 is an abundant number, since it is smaller than the sum of its proper divisors (1155911220544).

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

1012221010112 is a wasteful number, since it uses less digits than its factorization.

1012221010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810185 (or 2810175 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012221010112 its reverse (2110101222101), we get a palindrome (3122322232213).

The spelling of 1012221010112 in words is "one trillion, twelve billion, two hundred twenty-one million, ten thousand, one hundred twelve".