200121200012 has 12 divisors (see below), whose sum is σ = 350222648160. Its totient is φ = 100057586256.

The previous prime is 200121199991. The next prime is 200121200017. The reversal of 200121200012 is 210002121002.

It is a happy number.

200121200012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 200121199966 and 200121200002.

It is not an unprimeable number, because it can be changed into a prime (200121200017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600587 + ... + 872322.

It is an arithmetic number, because the mean of its divisors is an integer number (29185220680).

Almost surely, 2^200121200012 is an apocalyptic number.

It is an amenable number.

200121200012 is a deficient number, since it is larger than the sum of its proper divisors (150101448148).

200121200012 is a wasteful number, since it uses less digits than its factorization.

200121200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506880 (or 1506878 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200121200012 its reverse (210002121002), we get a palindrome (410123321014).

The spelling of 200121200012 in words is "two hundred billion, one hundred twenty-one million, two hundred thousand, twelve".