201212121112022 has 8 divisors (see below), whose sum is σ = 302016355133976. Its totient is φ = 100540002734032.

The previous prime is 201212121112003. The next prime is 201212121112069. The reversal of 201212121112022 is 220211121212102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201212121111985 and 201212121112003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33028907183 + ... + 33028913274.

It is an arithmetic number, because the mean of its divisors is an integer number (37752044391747).

Almost surely, 2^{201212121112022} is an apocalyptic number.

201212121112022 is a deficient number, since it is larger than the sum of its proper divisors (100804234021954).

201212121112022 is a wasteful number, since it uses less digits than its factorization.

201212121112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66057821982.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 201212121112022 its reverse (220211121212102), we get a palindrome (421423242324124).

The spelling of 201212121112022 in words is "two hundred one trillion, two hundred twelve billion, one hundred twenty-one million, one hundred twelve thousand, twenty-two".