1012221201112 has 24 divisors (see below), whose sum is σ = 2086137704700. Its totient is φ = 460100545520.

The previous prime is 1012221201109. The next prime is 1012221201127. The reversal of 1012221201112 is 2111021222101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 522840562 + ... + 522842497.

Almost surely, 2^{1012221201112} is an apocalyptic number.

It is an amenable number.

1012221201112 is an abundant number, since it is smaller than the sum of its proper divisors (1073916503588).

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

1012221201112 is a wasteful number, since it uses less digits than its factorization.

1012221201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045683087 (or 1045683072 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012221201112 its reverse (2111021222101), we get a palindrome (3123242423213).

The spelling of 1012221201112 in words is "one trillion, twelve billion, two hundred twenty-one million, two hundred one thousand, one hundred twelve".