212112403333 has 4 divisors (see below), whose sum is σ = 212275945420. Its totient is φ = 211948861248.

The previous prime is 212112403303. The next prime is 212112403351. The reversal of 212112403333 is 333304211212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207460208484 + 4652194849 = 455478^2 + 68207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212112403333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212112403298 and 212112403307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112403303) 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, 81769098 + ... + 81771691.

It is an arithmetic number, because the mean of its divisors is an integer number (53068986355).

Almost surely, 2^212112403333 is an apocalyptic number.

It is an amenable number.

212112403333 is a deficient number, since it is larger than the sum of its proper divisors (163542087).

212112403333 is a wasteful number, since it uses less digits than its factorization.

212112403333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163542086.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 212112403333 its reverse (333304211212), we get a palindrome (545416614545).

The spelling of 212112403333 in words is "two hundred twelve billion, one hundred twelve million, four hundred three thousand, three hundred thirty-three".