212220211121000 has 64 divisors (see below), whose sum is σ = 508144021894080. Its totient is φ = 82913942932800.

The previous prime is 212220211120921. The next prime is 212220211121011. The reversal of 212220211121000 is 121112022212.

It is a self number, because there is not a number n which added to its sum of digits gives 212220211121000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2467633874 + ... + 2467719873.

It is an arithmetic number, because the mean of its divisors is an integer number (7939750342095).

Almost surely, 2^{212220211121000} is an apocalyptic number.

212220211121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212220211121000 is an abundant number, since it is smaller than the sum of its proper divisors (295923810773080).

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

212220211121000 is a wasteful number, since it uses less digits than its factorization.

212220211121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935353811 (or 4935353797 counting only the distinct ones).

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

Adding to 212220211121000 its reverse (121112022212), we get a palindrome (212341323143212).

The spelling of 212220211121000 in words is "two hundred twelve trillion, two hundred twenty billion, two hundred eleven million, one hundred twenty-one thousand".