212212232212 has 24 divisors (see below), whose sum is σ = 372167925696. Its totient is φ = 105878781888.

The previous prime is 212212232201. The next prime is 212212232237. The reversal of 212212232212 is 212232212212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3581943 + ... + 3640705.

It is an arithmetic number, because the mean of its divisors is an integer number (15506996904).

Almost surely, 2^212212232212 is an apocalyptic number.

It is an amenable number.

212212232212 is a deficient number, since it is larger than the sum of its proper divisors (159955693484).

212212232212 is a wasteful number, since it uses less digits than its factorization.

212212232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60687 (or 60685 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

Adding to 212212232212 its reverse (212232212212), we get a palindrome (424444444424).

The spelling of 212212232212 in words is "two hundred twelve billion, two hundred twelve million, two hundred thirty-two thousand, two hundred twelve".