212042656330 has 8 divisors (see below), whose sum is σ = 381676781412. Its totient is φ = 84817062528.

The previous prime is 212042656307. The next prime is 212042656349. The reversal of 212042656330 is 33656240212.

212042656330 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 2 ways, for example, as 197064078561 + 14978577769 = 443919^2 + 122387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 10602132807 + ... + 10602132826.

Almost surely, 2^212042656330 is an apocalyptic number.

212042656330 is a deficient number, since it is larger than the sum of its proper divisors (169634125082).

212042656330 is a wasteful number, since it uses less digits than its factorization.

212042656330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21204265640.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 212042656330 its reverse (33656240212), we get a palindrome (245698896542).

The spelling of 212042656330 in words is "two hundred twelve billion, forty-two million, six hundred fifty-six thousand, three hundred thirty".