212120103324 has 24 divisors (see below), whose sum is σ = 516466339200. Its totient is φ = 67632496624.

The previous prime is 212120103317. The next prime is 212120103359. The reversal of 212120103324 is 423301021212.

It is a self number, because there is not a number n which added to its sum of digits gives 212120103324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384275274 + ... + 384275825.

It is an arithmetic number, because the mean of its divisors is an integer number (21519430800).

Almost surely, 2^212120103324 is an apocalyptic number.

It is an amenable number.

212120103324 is an abundant number, since it is smaller than the sum of its proper divisors (304346235876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212120103324 is a wasteful number, since it uses less digits than its factorization.

212120103324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768551129 (or 768551127 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212120103324 its reverse (423301021212), we get a palindrome (635421124536).

The spelling of 212120103324 in words is "two hundred twelve billion, one hundred twenty million, one hundred three thousand, three hundred twenty-four".