212130234330 has 32 divisors (see below), whose sum is σ = 581842929024. Its totient is φ = 48486910656.

The previous prime is 212130234319. The next prime is 212130234383. The reversal of 212130234330 is 33432031212.

It is a self number, because there is not a number n which added to its sum of digits gives 212130234330.

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, 505071777 + ... + 505072196.

It is an arithmetic number, because the mean of its divisors is an integer number (18182591532).

Almost surely, 2^212130234330 is an apocalyptic number.

212130234330 is an abundant number, since it is smaller than the sum of its proper divisors (369712694694).

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

212130234330 is a wasteful number, since it uses less digits than its factorization.

212130234330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010143990.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212130234330 its reverse (33432031212), we get a palindrome (245562265542).

The spelling of 212130234330 in words is "two hundred twelve billion, one hundred thirty million, two hundred thirty-four thousand, three hundred thirty".