212234440330 has 32 divisors (see below), whose sum is σ = 425618323200. Its totient is φ = 75534112320.

The previous prime is 212234440291. The next prime is 212234440361. The reversal of 212234440330 is 33044432212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20520405 + ... + 20530744.

It is an arithmetic number, because the mean of its divisors is an integer number (13300572600).

Almost surely, 2^212234440330 is an apocalyptic number.

212234440330 is an abundant number, since it is smaller than the sum of its proper divisors (213383882870).

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

212234440330 is a wasteful number, since it uses less digits than its factorization.

212234440330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41051214.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 212234440330 its reverse (33044432212), we get a palindrome (245278872542).

The spelling of 212234440330 in words is "two hundred twelve billion, two hundred thirty-four million, four hundred forty thousand, three hundred thirty".