212200121112020 has 24 divisors (see below), whose sum is σ = 445623815712768. Its totient is φ = 84879370087200.

The previous prime is 212200121112017. The next prime is 212200121112037. The reversal of 212200121112020 is 20211121002212.

It is a super-2 number, since 2×212200121112020² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212200121112020.

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, 39828476 + ... + 44840915.

It is an arithmetic number, because the mean of its divisors is an integer number (18567658988032).

Almost surely, 2^{212200121112020} is an apocalyptic number.

212200121112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212200121112020 is an abundant number, since it is smaller than the sum of its proper divisors (233423694600748).

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

212200121112020 is a wasteful number, since it uses less digits than its factorization.

212200121112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84794711 (or 84794709 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212200121112020 its reverse (20211121002212), we get a palindrome (232411242114232).

The spelling of 212200121112020 in words is "two hundred twelve trillion, two hundred billion, one hundred twenty-one million, one hundred twelve thousand, twenty".