212133340424 has 32 divisors (see below), whose sum is σ = 400259629440. Its totient is φ = 105399456000.

The previous prime is 212133340387. The next prime is 212133340427. The reversal of 212133340424 is 424043331212.

It is not an unprimeable number, because it can be changed into a prime (212133340427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717989 + ... + 969419.

It is an arithmetic number, because the mean of its divisors is an integer number (12508113420).

Almost surely, 2^212133340424 is an apocalyptic number.

It is an amenable number.

212133340424 is a deficient number, since it is larger than the sum of its proper divisors (188126289016).

212133340424 is a wasteful number, since it uses less digits than its factorization.

212133340424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252101 (or 252097 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 212133340424 its reverse (424043331212), we get a palindrome (636176671636).

The spelling of 212133340424 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred forty thousand, four hundred twenty-four".