230021101212 has 288 divisors, whose sum is σ = 687293268480. Its totient is φ = 59422809600.

The previous prime is 230021101207. The next prime is 230021101237. The reversal of 230021101212 is 212101120032.

It is a super-2 number, since 2×230021101212² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230021101191 and 230021101200.

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, 180125518 + ... + 180126794.

It is an arithmetic number, because the mean of its divisors is an integer number (2386434960).

Almost surely, 2^230021101212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230021101212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343646634240).

230021101212 is an abundant number, since it is smaller than the sum of its proper divisors (457272167268).

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

230021101212 is a wasteful number, since it uses less digits than its factorization.

230021101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 230021101212 its reverse (212101120032), we get a palindrome (442122221244).

The spelling of 230021101212 in words is "two hundred thirty billion, twenty-one million, one hundred one thousand, two hundred twelve".