212212202212 has 6 divisors (see below), whose sum is σ = 371371353878. Its totient is φ = 106106101104.

The previous prime is 212212202161. The next prime is 212212202281. The reversal of 212212202212 is 212202212212.

212212202212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 204325696576 + 7886505636 = 452024^2 + 88806^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212212202212.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26526525273 + ... + 26526525280.

Almost surely, 2^212212202212 is an apocalyptic number.

It is an amenable number.

212212202212 is a deficient number, since it is larger than the sum of its proper divisors (159159151666).

212212202212 is a wasteful number, since it uses less digits than its factorization.

212212202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53053050557 (or 53053050555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212212202212 its reverse (212202212212), we get a palindrome (424414414424).

It can be divided in two parts, 212 and 212202212, that multiplied together give a palindrome (44986868944).

The spelling of 212212202212 in words is "two hundred twelve billion, two hundred twelve million, two hundred two thousand, two hundred twelve".