200002211212122 has 24 divisors (see below), whose sum is σ = 472732499229120. Its totient is φ = 60606730670280.

The previous prime is 200002211212103. The next prime is 200002211212123. The reversal of 200002211212122 is 221212112200002.

It is a happy number.

200002211212122 is a `hidden beast` number, since 200 + 0 + 0 + 221 + 121 + 2 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200002211212095 and 200002211212104.

It is not an unprimeable number, because it can be changed into a prime (200002211212123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505056088722 + ... + 505056089117.

It is an arithmetic number, because the mean of its divisors is an integer number (19697187467880).

Almost surely, 2^{200002211212122} is an apocalyptic number.

200002211212122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200002211212122 is an abundant number, since it is smaller than the sum of its proper divisors (272730288016998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200002211212122 is a wasteful number, since it uses less digits than its factorization.

200002211212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010112177858 (or 1010112177855 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200002211212122 its reverse (221212112200002), we get a palindrome (421214323412124).

The spelling of 200002211212122 in words is "two hundred trillion, two billion, two hundred eleven million, two hundred twelve thousand, one hundred twenty-two".