200012121001 has 32 divisors (see below), whose sum is σ = 251707262976. Its totient is φ = 154396368000.

The previous prime is 200012120999. The next prime is 200012121007. The reversal of 200012121001 is 100121210002.

200012121001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200012121001 - 2¹ = 200012120999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200012121007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3877741 + ... + 3928981.

It is an arithmetic number, because the mean of its divisors is an integer number (7865851968).

Almost surely, 2^200012121001 is an apocalyptic number.

It is an amenable number.

200012121001 is a deficient number, since it is larger than the sum of its proper divisors (51695141975).

200012121001 is a wasteful number, since it uses less digits than its factorization.

200012121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51733.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200012121001 its reverse (100121210002), we get a palindrome (300133331003).

The spelling of 200012121001 in words is "two hundred billion, twelve million, one hundred twenty-one thousand, one".