20212212102200 has 24 divisors (see below), whose sum is σ = 46993393138080. Its totient is φ = 8084884840800.

The previous prime is 20212212102197. The next prime is 20212212102239. The reversal of 20212212102200 is 220121221202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50530530056 + ... + 50530530455.

It is an arithmetic number, because the mean of its divisors is an integer number (1958058047420).

Almost surely, 2^{20212212102200} is an apocalyptic number.

20212212102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212212102200 is an abundant number, since it is smaller than the sum of its proper divisors (26781181035880).

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

20212212102200 is a wasteful number, since it uses less digits than its factorization.

20212212102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101061060527 (or 101061060518 counting only the distinct ones).

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

Adding to 20212212102200 its reverse (220121221202), we get a palindrome (20432333323402).

The spelling of 20212212102200 in words is "twenty trillion, two hundred twelve billion, two hundred twelve million, one hundred two thousand, two hundred".