1012112244 has 216 divisors, whose sum is σ = 3088588776. Its totient is φ = 277516800.

The previous prime is 1012112239. The next prime is 1012112261. The reversal of 1012112244 is 4422112101.

It can be written as a sum of positive squares in 4 ways, for example, as 29289744 + 982822500 = 5412^2 + 31350^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3454162 + ... + 3454454.

Almost surely, 2^1012112244 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 1012112244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544294388).

1012112244 is an abundant number, since it is smaller than the sum of its proper divisors (2076476532).

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

1012112244 is a wasteful number, since it uses less digits than its factorization.

1012112244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1012112244 is about 31813.7115722136. The cubic root of 1012112244 is about 1004.0212227595.

Adding to 1012112244 its reverse (4422112101), we get a palindrome (5434224345).

The spelling of 1012112244 in words is "one billion, twelve million, one hundred twelve thousand, two hundred forty-four".