212443133332 has 6 divisors (see below), whose sum is σ = 371775483338. Its totient is φ = 106221566664.

The previous prime is 212443133303. The next prime is 212443133341. The reversal of 212443133332 is 233331344212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 160715999236 + 51727134096 = 400894^2 + 227436^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212443133294 and 212443133303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26555391663 + ... + 26555391670.

Almost surely, 2^212443133332 is an apocalyptic number.

It is an amenable number.

212443133332 is a deficient number, since it is larger than the sum of its proper divisors (159332350006).

212443133332 is a wasteful number, since it uses less digits than its factorization.

212443133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53110783337 (or 53110783335 counting only the distinct ones).

The product of its digits is 31104, while the sum is 31.

Adding to 212443133332 its reverse (233331344212), we get a palindrome (445774477544).

The spelling of 212443133332 in words is "two hundred twelve billion, four hundred forty-three million, one hundred thirty-three thousand, three hundred thirty-two".