200012202202121 has 16 divisors (see below), whose sum is σ = 201327790069440. Its totient is φ = 198699635312640.

The previous prime is 200012202202039. The next prime is 200012202202147. The reversal of 200012202202121 is 121202202210002.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200012202202121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200012202202121.

It is not an unprimeable number, because it can be changed into a prime (200012202202171) 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, 546270050 + ... + 546636068.

It is an arithmetic number, because the mean of its divisors is an integer number (12582986879340).

Almost surely, 2^{200012202202121} is an apocalyptic number.

It is an amenable number.

200012202202121 is a deficient number, since it is larger than the sum of its proper divisors (1315587867319).

200012202202121 is a wasteful number, since it uses less digits than its factorization.

200012202202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370136.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200012202202121 its reverse (121202202210002), we get a palindrome (321214404412123).

The spelling of 200012202202121 in words is "two hundred trillion, twelve billion, two hundred two million, two hundred two thousand, one hundred twenty-one".