212114034330 has 128 divisors (see below), whose sum is σ = 559125504000. Its totient is φ = 51073228800.

The previous prime is 212114034299. The next prime is 212114034331. The reversal of 212114034330 is 33430411212.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212114034330.

It is not an unprimeable number, because it can be changed into a prime (212114034331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42091951 + ... + 42096989.

It is an arithmetic number, because the mean of its divisors is an integer number (4368168000).

Almost surely, 2^212114034330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212114034330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279562752000).

212114034330 is an abundant number, since it is smaller than the sum of its proper divisors (347011469670).

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

212114034330 is a wasteful number, since it uses less digits than its factorization.

212114034330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5900.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 212114034330 its reverse (33430411212), we get a palindrome (245544445542).

The spelling of 212114034330 in words is "two hundred twelve billion, one hundred fourteen million, thirty-four thousand, three hundred thirty".