212431503230 has 16 divisors (see below), whose sum is σ = 387216918720. Its totient is φ = 83896998432.

The previous prime is 212431503203. The next prime is 212431503241. The reversal of 212431503230 is 32305134212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212431503230.

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, 134449529 + ... + 134451108.

It is an arithmetic number, because the mean of its divisors is an integer number (24201057420).

Almost surely, 2^212431503230 is an apocalyptic number.

212431503230 is a deficient number, since it is larger than the sum of its proper divisors (174785415490).

212431503230 is a wasteful number, since it uses less digits than its factorization.

212431503230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268900723.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 212431503230 its reverse (32305134212), we get a palindrome (244736637442).

The spelling of 212431503230 in words is "two hundred twelve billion, four hundred thirty-one million, five hundred three thousand, two hundred thirty".