212303134230 has 128 divisors (see below), whose sum is σ = 590898240000. Its totient is φ = 48275712000.

The previous prime is 212303134229. The next prime is 212303134289. The reversal of 212303134230 is 32431303212.

It is a self number, because there is not a number n which added to its sum of digits gives 212303134230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 465646 + ... + 800894.

It is an arithmetic number, because the mean of its divisors is an integer number (4616392500).

Almost surely, 2^212303134230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212303134230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295449120000).

212303134230 is an abundant number, since it is smaller than the sum of its proper divisors (378595105770).

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

212303134230 is a wasteful number, since it uses less digits than its factorization.

212303134230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335390.

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

Adding to 212303134230 its reverse (32431303212), we get a palindrome (244734437442).

The spelling of 212303134230 in words is "two hundred twelve billion, three hundred three million, one hundred thirty-four thousand, two hundred thirty".