200012870 has 16 divisors (see below), whose sum is σ = 361097568. Its totient is φ = 79766400.

The previous prime is 200012863. The next prime is 200012873. The reversal of 200012870 is 78210002.

200012870 is a modest number, since divided by 12870 gives 200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200012873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26306 + ... + 33045.

It is an arithmetic number, because the mean of its divisors is an integer number (22568598).

Almost surely, 2^200012870 is an apocalyptic number.

200012870 is a deficient number, since it is larger than the sum of its proper divisors (161084698).

200012870 is a wasteful number, since it uses less digits than its factorization.

200012870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59695.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 200012870 is about 14142.5906396247. The cubic root of 200012870 is about 584.8160914096.

Adding to 200012870 its reverse (78210002), we get a palindrome (278222872).

The spelling of 200012870 in words is "two hundred million, twelve thousand, eight hundred seventy".