121241244330 has 96 divisors (see below), whose sum is σ = 316993098240. Its totient is φ = 32150217600.

The previous prime is 121241244323. The next prime is 121241244391. The reversal of 121241244330 is 33442142121.

121241244330 is a `hidden beast` number, since 1 + 212 + 4 + 1 + 2 + 443 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 121241244294 and 121241244303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21452005 + ... + 21457655.

It is an arithmetic number, because the mean of its divisors is an integer number (3302011440).

Almost surely, 2^121241244330 is an apocalyptic number.

121241244330 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 121241244330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158496549120).

121241244330 is an abundant number, since it is smaller than the sum of its proper divisors (195751853910).

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

121241244330 is a wasteful number, since it uses less digits than its factorization.

121241244330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6956 (or 6953 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 121241244330 its reverse (33442142121), we get a palindrome (154683386451).

The spelling of 121241244330 in words is "one hundred twenty-one billion, two hundred forty-one million, two hundred forty-four thousand, three hundred thirty".