2012111040 has 224 divisors, whose sum is σ = 6630497280. Its totient is φ = 516612096.

The previous prime is 2012111033. The next prime is 2012111053. The reversal of 2012111040 is 401112102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3260812 + ... + 3261428.

Almost surely, 2^2012111040 is an apocalyptic number.

2012111040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3315248640).

2012111040 is an abundant number, since it is smaller than the sum of its proper divisors (4618386240).

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

2012111040 is a wasteful number, since it uses less digits than its factorization.

2012111040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2012111040 is about 44856.5607241572. The cubic root of 2012111040 is about 1262.4590927503.

Adding to 2012111040 its reverse (401112102), we get a palindrome (2413223142).

The spelling of 2012111040 in words is "two billion, twelve million, one hundred eleven thousand, forty".