230111212121300 has 72 divisors (see below), whose sum is σ = 504496949503680. Its totient is φ = 91095809113600.

The previous prime is 230111212121293. The next prime is 230111212121309. The reversal of 230111212121300 is 3121212111032.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230111212121309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602156 + ... + 21461244.

It is an arithmetic number, because the mean of its divisors is an integer number (7006902076440).

Almost surely, 2^{230111212121300} is an apocalyptic number.

230111212121300 is a gapful number since it is divisible by the number (20) 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 230111212121300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252248474751840).

230111212121300 is an abundant number, since it is smaller than the sum of its proper divisors (274385737382380).

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

230111212121300 is a wasteful number, since it uses less digits than its factorization.

230111212121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20860241 (or 20860234 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 230111212121300 its reverse (3121212111032), we get a palindrome (233232424232332).

The spelling of 230111212121300 in words is "two hundred thirty trillion, one hundred eleven billion, two hundred twelve million, one hundred twenty-one thousand, three hundred".