212722227212 has 24 divisors (see below), whose sum is σ = 406197765120. Its totient is φ = 96670089360.

The previous prime is 212722227169. The next prime is 212722227227.

212722227212 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347912 + ... + 739247.

It is an arithmetic number, because the mean of its divisors is an integer number (16924906880).

Almost surely, 2^212722227212 is an apocalyptic number.

212722227212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212722227212 is a deficient number, since it is larger than the sum of its proper divisors (193475537908).

212722227212 is a wasteful number, since it uses less digits than its factorization.

212722227212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091621 (or 1091619 counting only the distinct ones).

The product of its digits is 12544, while the sum is 32.

It can be divided in two parts, 212722 and 227212, that added together give a palindrome (439934).

The spelling of 212722227212 in words is "two hundred twelve billion, seven hundred twenty-two million, two hundred twenty-seven thousand, two hundred twelve".