2012140 has 48 divisors (see below), whose sum is σ = 4656960. Its totient is φ = 725760.

The previous prime is 2012123. The next prime is 2012147. The reversal of 2012140 is 412102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2012147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18406 + ... + 18514.

It is an arithmetic number, because the mean of its divisors is an integer number (97020).

2^2012140 is an apocalyptic number.

2012140 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 2012140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2328480).

2012140 is an abundant number, since it is smaller than the sum of its proper divisors (2644820).

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

2012140 is a wasteful number, since it uses less digits than its factorization.

2012140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2012140 is about 1418.4992069085. The cubic root of 2012140 is about 126.2465149513.

Adding to 2012140 its reverse (412102), we get a palindrome (2424242).

The spelling of 2012140 in words is "two million, twelve thousand, one hundred forty".