200012211209973 has 16 divisors (see below), whose sum is σ = 267876863534016. Its totient is φ = 132744600288000.

The previous prime is 200012211209953. The next prime is 200012211210011. The reversal of 200012211209973 is 379902112210002.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-200012211209973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200012211209953) 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, 908278 + ... + 20021223.

It is an arithmetic number, because the mean of its divisors is an integer number (16742303970876).

Almost surely, 2^{200012211209973} is an apocalyptic number.

It is an amenable number.

200012211209973 is a deficient number, since it is larger than the sum of its proper divisors (67864652324043).

200012211209973 is a wasteful number, since it uses less digits than its factorization.

200012211209973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20943764.

The product of its (nonzero) digits is 27216, while the sum is 39.

Adding to 200012211209973 its reverse (379902112210002), we get a palindrome (579914323419975).

The spelling of 200012211209973 in words is "two hundred trillion, twelve billion, two hundred eleven million, two hundred nine thousand, nine hundred seventy-three".