200040012 has 18 divisors (see below), whose sum is σ = 505656788. Its totient is φ = 66679992.

The previous prime is 200040011. The next prime is 200040041. The reversal of 200040012 is 210040002.

200040012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200039976 and 200040003.

It is not an unprimeable number, because it can be changed into a prime (200040011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2778298 + ... + 2778369.

Almost surely, 2^200040012 is an apocalyptic number.

It is an amenable number.

200040012 is an abundant number, since it is smaller than the sum of its proper divisors (305616776).

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

200040012 is a wasteful number, since it uses less digits than its factorization.

200040012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556677 (or 5556672 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 200040012 is about 14143.5501908114. The cubic root of 200040012 is about 584.8425436414.

Adding to 200040012 its reverse (210040002), we get a palindrome (410080014).

The spelling of 200040012 in words is "two hundred million, forty thousand, twelve".