1012111182 has 48 divisors (see below), whose sum is σ = 2302110720. Its totient is φ = 320747856.

The previous prime is 1012111151. The next prime is 1012111189. The reversal of 1012111182 is 2811112101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012111189) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 61819 + ... + 76457.

It is an arithmetic number, because the mean of its divisors is an integer number (47960640).

Almost surely, 2^1012111182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012111182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151055360).

1012111182 is an abundant number, since it is smaller than the sum of its proper divisors (1289999538).

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

1012111182 is a wasteful number, since it uses less digits than its factorization.

1012111182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14837 (or 14834 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

The square root of 1012111182 is about 31813.6948812929. The cubic root of 1012111182 is about 1004.0208715893.

Adding to 1012111182 its reverse (2811112101), we get a palindrome (3823223283).

The spelling of 1012111182 in words is "one billion, twelve million, one hundred eleven thousand, one hundred eighty-two".