212333222132 has 12 divisors (see below), whose sum is σ = 371599499460. Its totient is φ = 106161936576.

The previous prime is 212333222131. The next prime is 212333222147. The reversal of 212333222132 is 231222333212.

It can be written as a sum of positive squares in 2 ways, for example, as 130007840356 + 82325381776 = 360566^2 + 286924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212333222131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065407 + ... + 1248902.

It is an arithmetic number, because the mean of its divisors is an integer number (30966624955).

Almost surely, 2^212333222132 is an apocalyptic number.

It is an amenable number.

212333222132 is a deficient number, since it is larger than the sum of its proper divisors (159266277328).

212333222132 is a wasteful number, since it uses less digits than its factorization.

212333222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337250 (or 2337248 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

Adding to 212333222132 its reverse (231222333212), we get a palindrome (443555555344).

The spelling of 212333222132 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred twenty-two thousand, one hundred thirty-two".