211230130230 has 192 divisors, whose sum is σ = 655920764928. Its totient is φ = 46154707200.

The previous prime is 211230130229. The next prime is 211230130271. The reversal of 211230130230 is 32031032112.

211230130230 is a `hidden beast` number, since 21 + 12 + 301 + 302 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 95 ways as a sum of consecutive naturals, for example, 1190280 + ... + 1356180.

It is an arithmetic number, because the mean of its divisors is an integer number (3416253984).

Almost surely, 2^211230130230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211230130230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327960382464).

211230130230 is an abundant number, since it is smaller than the sum of its proper divisors (444690634698).

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

211230130230 is a wasteful number, since it uses less digits than its factorization.

211230130230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166011 (or 166008 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 211230130230 its reverse (32031032112), we get a palindrome (243261162342).

The spelling of 211230130230 in words is "two hundred eleven billion, two hundred thirty million, one hundred thirty thousand, two hundred thirty".