121313002230 has 384 divisors, whose sum is σ = 382208606208. Its totient is φ = 26116909056.

The previous prime is 121313002219. The next prime is 121313002247. The reversal of 121313002230 is 32200313121.

121313002230 is a `hidden beast` number, since 1 + 2 + 131 + 300 + 2 + 230 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 127295434 + ... + 127296386.

It is an arithmetic number, because the mean of its divisors is an integer number (995334912).

Almost surely, 2^121313002230 is an apocalyptic number.

121313002230 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 121313002230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191104303104).

121313002230 is an abundant number, since it is smaller than the sum of its proper divisors (260895603978).

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

121313002230 is a wasteful number, since it uses less digits than its factorization.

121313002230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1177 counting only the distinct ones).

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

Adding to 121313002230 its reverse (32200313121), we get a palindrome (153513315351).

The spelling of 121313002230 in words is "one hundred twenty-one billion, three hundred thirteen million, two thousand, two hundred thirty".