212330402404 has 6 divisors (see below), whose sum is σ = 371578204214. Its totient is φ = 106165201200.

The previous prime is 212330402393. The next prime is 212330402411. The reversal of 212330402404 is 404204033212.

It is a happy number.

212330402404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 113764544100 + 98565858304 = 337290^2 + 313952^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26541300297 + ... + 26541300304.

Almost surely, 2^212330402404 is an apocalyptic number.

It is an amenable number.

212330402404 is a deficient number, since it is larger than the sum of its proper divisors (159247801810).

212330402404 is a wasteful number, since it uses less digits than its factorization.

212330402404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53082600605 (or 53082600603 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 212330402404 its reverse (404204033212), we get a palindrome (616534435616).

The spelling of 212330402404 in words is "two hundred twelve billion, three hundred thirty million, four hundred two thousand, four hundred four".