201211230 has 64 divisors (see below), whose sum is σ = 538057728. Its totient is φ = 47736960.

The previous prime is 201211229. The next prime is 201211247. The reversal of 201211230 is 32112102.

201211230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201211230² = 80971918156225800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9024 + ... + 21996.

It is an arithmetic number, because the mean of its divisors is an integer number (8407152).

Almost surely, 2^201211230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201211230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269028864).

201211230 is an abundant number, since it is smaller than the sum of its proper divisors (336846498).

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

201211230 is a wasteful number, since it uses less digits than its factorization.

201211230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13041.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 201211230 is about 14184.8944303439. The cubic root of 201211230 is about 585.9817250957.

Adding to 201211230 its reverse (32112102), we get a palindrome (233323332).

The spelling of 201211230 in words is "two hundred one million, two hundred eleven thousand, two hundred thirty".