212005722055230 has 48 divisors (see below), whose sum is σ = 560557502397360. Its totient is φ = 55576641260544.

The previous prime is 212005722055223. The next prime is 212005722055241. The reversal of 212005722055230 is 32550227500212.

212005722055230 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 0 + 5 + 72 + 2 + 0 + 552 + 30 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19962868707 + ... + 19962879326.

It is an arithmetic number, because the mean of its divisors is an integer number (11678281299945).

Almost surely, 2^{212005722055230} is an apocalyptic number.

212005722055230 is an abundant number, since it is smaller than the sum of its proper divisors (348551780342130).

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

212005722055230 is a wasteful number, since it uses less digits than its factorization.

212005722055230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39925748105 (or 39925748102 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

Adding to 212005722055230 its reverse (32550227500212), we get a palindrome (244555949555442).

The spelling of 212005722055230 in words is "two hundred twelve trillion, five billion, seven hundred twenty-two million, fifty-five thousand, two hundred thirty".