212245253334 has 96 divisors (see below), whose sum is σ = 494496078336. Its totient is φ = 65551368960.

The previous prime is 212245253327. The next prime is 212245253411. The reversal of 212245253334 is 433352542212.

212245253334 is a `hidden beast` number, since 2 + 1 + 224 + 52 + 53 + 334 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54266839 + ... + 54270749.

It is an arithmetic number, because the mean of its divisors is an integer number (5151000816).

Almost surely, 2^212245253334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212245253334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247248039168).

212245253334 is an abundant number, since it is smaller than the sum of its proper divisors (282250825002).

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

212245253334 is a wasteful number, since it uses less digits than its factorization.

212245253334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650 (or 6647 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 212245253334 its reverse (433352542212), we get a palindrome (645597795546).

The spelling of 212245253334 in words is "two hundred twelve billion, two hundred forty-five million, two hundred fifty-three thousand, three hundred thirty-four".