212212101212212 has 24 divisors (see below), whose sum is σ = 371412018331200. Its totient is φ = 106094382402816.

The previous prime is 212212101212201. The next prime is 212212101212219.

212212101212212 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212101212219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523315353 + ... + 1523454655.

It is an arithmetic number, because the mean of its divisors is an integer number (15475500763800).

Almost surely, 2^{212212101212212} is an apocalyptic number.

It is an amenable number.

212212101212212 is a deficient number, since it is larger than the sum of its proper divisors (159199917118988).

212212101212212 is a wasteful number, since it uses less digits than its factorization.

212212101212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178455 (or 178453 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, 21221210 and 1212212, that added together give a palindrome (22433422).

The spelling of 212212101212212 in words is "two hundred twelve trillion, two hundred twelve billion, one hundred one million, two hundred twelve thousand, two hundred twelve".