121030312230 has 96 divisors (see below), whose sum is σ = 317650338720. Its totient is φ = 31970319360.

The previous prime is 121030312217. The next prime is 121030312279. The reversal of 121030312230 is 32213030121.

121030312230 is a `hidden beast` number, since 1 + 210 + 303 + 122 + 30 = 666.

121030312230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29582485 + ... + 29586575.

It is an arithmetic number, because the mean of its divisors is an integer number (3308857695).

Almost surely, 2^121030312230 is an apocalyptic number.

121030312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121030312230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158825169360).

121030312230 is an abundant number, since it is smaller than the sum of its proper divisors (196620026490).

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

121030312230 is a wasteful number, since it uses less digits than its factorization.

121030312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7126 (or 7123 counting only the distinct ones).

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

Adding to 121030312230 its reverse (32213030121), we get a palindrome (153243342351).

The spelling of 121030312230 in words is "one hundred twenty-one billion, thirty million, three hundred twelve thousand, two hundred thirty".