212133323403 has 12 divisors (see below), whose sum is σ = 308651406648. Its totient is φ = 140389935840.

The previous prime is 212133323341. The next prime is 212133323417. The reversal of 212133323403 is 304323331212.

212133323403 is a `hidden beast` number, since 21 + 213 + 3 + 3 + 23 + 403 = 666.

It is not a de Polignac number, because 212133323403 - 2¹⁴ = 212133307019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212133323443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86022013 + ... + 86024478.

It is an arithmetic number, because the mean of its divisors is an integer number (25720950554).

Almost surely, 2^212133323403 is an apocalyptic number.

212133323403 is a deficient number, since it is larger than the sum of its proper divisors (96518083245).

212133323403 is a wasteful number, since it uses less digits than its factorization.

212133323403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172046634 (or 172046631 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 212133323403 its reverse (304323331212), we get a palindrome (516456654615).

The spelling of 212133323403 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred twenty-three thousand, four hundred three".