200212000020121 has 4 divisors (see below), whose sum is σ = 200212060639744. Its totient is φ = 200211939400500.

The previous prime is 200212000020119. The next prime is 200212000020181. The reversal of 200212000020121 is 121020000212002.

It is a happy number.

200212000020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200212000020121 - 2¹ = 200212000020119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200212000020181) 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, 25051605 + ... + 32062546.

It is an arithmetic number, because the mean of its divisors is an integer number (50053015159936).

Almost surely, 2^{200212000020121} is an apocalyptic number.

It is an amenable number.

200212000020121 is a deficient number, since it is larger than the sum of its proper divisors (60619623).

200212000020121 is an equidigital number, since it uses as much as digits as its factorization.

200212000020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60619622.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200212000020121 its reverse (121020000212002), we get a palindrome (321232000232123).

The spelling of 200212000020121 in words is "two hundred trillion, two hundred twelve billion, twenty thousand, one hundred twenty-one".