212266662212 has 24 divisors (see below), whose sum is σ = 406917854112. Its totient is φ = 96084489600.

The previous prime is 212266662211. The next prime is 212266662217.

212266662212 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (212266662211) 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, 9998198 + ... + 10019405.

It is an arithmetic number, because the mean of its divisors is an integer number (16954910588).

Almost surely, 2^212266662212 is an apocalyptic number.

212266662212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212266662212 is a deficient number, since it is larger than the sum of its proper divisors (194651191900).

212266662212 is a wasteful number, since it uses less digits than its factorization.

212266662212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20017859 (or 20017857 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

It can be divided in two parts, 212266 and 662212, that added together give a palindrome (874478).

The spelling of 212266662212 in words is "two hundred twelve billion, two hundred sixty-six million, six hundred sixty-two thousand, two hundred twelve".