212221101122212 has 48 divisors (see below), whose sum is σ = 461617261926912. Its totient is φ = 83124356860800.

The previous prime is 212221101122207. The next prime is 212221101122213.

212221101122212 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (212221101122213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2886225628 + ... + 2886299155.

It is an arithmetic number, because the mean of its divisors is an integer number (9617026290144).

Almost surely, 2^{212221101122212} is an apocalyptic number.

It is an amenable number.

212221101122212 is an abundant number, since it is smaller than the sum of its proper divisors (249396160804700).

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

212221101122212 is a wasteful number, since it uses less digits than its factorization.

212221101122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5772524908 (or 5772524906 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

It can be divided in two parts, 21222110 and 1122212, that added together give a palindrome (22344322).

The spelling of 212221101122212 in words is "two hundred twelve trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty-two thousand, two hundred twelve".