2012200140 has 48 divisors (see below), whose sum is σ = 5674717440. Its totient is φ = 532724160.

The previous prime is 2012200129. The next prime is 2012200147. The reversal of 2012200140 is 410022102.

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

It is not an unprimeable number, because it can be changed into a prime (2012200147) 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, 112296 + ... + 128975.

It is an arithmetic number, because the mean of its divisors is an integer number (118223280).

Almost surely, 2^2012200140 is an apocalyptic number.

2012200140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012200140 is an abundant number, since it is smaller than the sum of its proper divisors (3662517300).

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

2012200140 is a wasteful number, since it uses less digits than its factorization.

2012200140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241422 (or 241420 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2012200140 is about 44857.5538789177. The cubic root of 2012200140 is about 1262.4777271501.

Adding to 2012200140 its reverse (410022102), we get a palindrome (2422222242).

The spelling of 2012200140 in words is "two billion, twelve million, two hundred thousand, one hundred forty".