2012011140 has 48 divisors (see below), whose sum is σ = 5653585728. Its totient is φ = 534635904.

The previous prime is 2012011121. The next prime is 2012011159. The reversal of 2012011140 is 411102102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2012011121) and next prime (2012011159).

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 15 ways as a sum of consecutive naturals, for example, 42267 + ... + 76226.

It is an arithmetic number, because the mean of its divisors is an integer number (117783036).

Almost surely, 2^2012011140 is an apocalyptic number.

2012011140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012011140 is an abundant number, since it is smaller than the sum of its proper divisors (3641574588).

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

2012011140 is a wasteful number, since it uses less digits than its factorization.

2012011140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118788 (or 118786 counting only the distinct ones).

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

The square root of 2012011140 is about 44855.4471608522. The cubic root of 2012011140 is about 1262.4381989811.

Adding to 2012011140 its reverse (411102102), we get a palindrome (2423113242).

The spelling of 2012011140 in words is "two billion, twelve million, eleven thousand, one hundred forty".