212122141221212 has 24 divisors (see below), whose sum is σ = 374898411884640. Its totient is φ = 105008361249600.

The previous prime is 212122141221209. The next prime is 212122141221217.

212122141221212 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 not an unprimeable number, because it can be changed into a prime (212122141221217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9890558 + ... + 22848794.

It is an arithmetic number, because the mean of its divisors is an integer number (15620767161860).

Almost surely, 2^{212122141221212} is an apocalyptic number.

It is an amenable number.

212122141221212 is a deficient number, since it is larger than the sum of its proper divisors (162776270663428).

212122141221212 is a wasteful number, since it uses less digits than its factorization.

212122141221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12998861 (or 12998859 counting only the distinct ones).

The product of its digits is 1024, while the sum is 26.

The spelling of 212122141221212 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred forty-one million, two hundred twenty-one thousand, two hundred twelve".