200001022112212 has 24 divisors (see below), whose sum is σ = 351280892912040. Its totient is φ = 99635120686080.

The previous prime is 200001022111873. The next prime is 200001022112233. The reversal of 200001022112212 is 212211220100002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61785353653956 + 138215668458256 = 7860366^2 + 11756516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3284364 + ... + 20267932.

It is an arithmetic number, because the mean of its divisors is an integer number (14636703871335).

Almost surely, 2^{200001022112212} is an apocalyptic number.

It is an amenable number.

200001022112212 is a deficient number, since it is larger than the sum of its proper divisors (151279870799828).

200001022112212 is a wasteful number, since it uses less digits than its factorization.

200001022112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16994331 (or 16994329 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200001022112212 its reverse (212211220100002), we get a palindrome (412212242212214).

The spelling of 200001022112212 in words is "two hundred trillion, one billion, twenty-two million, one hundred twelve thousand, two hundred twelve".