200202012121 has 8 divisors (see below), whose sum is σ = 205398411680. Its totient is φ = 195030182592.

The previous prime is 200202012097. The next prime is 200202012149. The reversal of 200202012121 is 121210202002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200202012121 - 2¹⁵ = 200201979353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200202012191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6126000 + ... + 6158593.

It is an arithmetic number, because the mean of its divisors is an integer number (25674801460).

Almost surely, 2^200202012121 is an apocalyptic number.

It is an amenable number.

200202012121 is a deficient number, since it is larger than the sum of its proper divisors (5196399559).

200202012121 is a wasteful number, since it uses less digits than its factorization.

200202012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12285015.

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

Adding to 200202012121 its reverse (121210202002), we get a palindrome (321412214123).

The spelling of 200202012121 in words is "two hundred billion, two hundred two million, twelve thousand, one hundred twenty-one".