230211212 has 108 divisors (see below), whose sum is σ = 546377832. Its totient is φ = 84268800.

The previous prime is 230211211. The next prime is 230211221. The reversal of 230211212 is 212112032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (230211211) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 402887 + ... + 403457.

It is an arithmetic number, because the mean of its divisors is an integer number (5059054).

Almost surely, 2^230211212 is an apocalyptic number.

230211212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230211212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273188916).

230211212 is an abundant number, since it is smaller than the sum of its proper divisors (316166620).

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

230211212 is a wasteful number, since it uses less digits than its factorization.

230211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 230211212 is about 15172.7127436065. The cubic root of 230211212 is about 612.8800580017.

Adding to 230211212 its reverse (212112032), we get a palindrome (442323244).

The spelling of 230211212 in words is "two hundred thirty million, two hundred eleven thousand, two hundred twelve".