212122242221212 has 96 divisors (see below), whose sum is σ = 390223464793344. Its totient is φ = 100802936832000.

The previous prime is 212122242221171. The next prime is 212122242221291.

212122242221212 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3060318268 + ... + 3060387580.

It is an arithmetic number, because the mean of its divisors is an integer number (4064827758264).

Almost surely, 2^{212122242221212} is an apocalyptic number.

It is an amenable number.

212122242221212 is a deficient number, since it is larger than the sum of its proper divisors (178101222572132).

212122242221212 is a wasteful number, since it uses less digits than its factorization.

212122242221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72559 (or 72557 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

The spelling of 212122242221212 in words is "two hundred twelve trillion, one hundred twenty-two billion, two hundred forty-two million, two hundred twenty-one thousand, two hundred twelve".