121304421030 has 128 divisors (see below), whose sum is σ = 324879206400. Its totient is φ = 28781673984.

The previous prime is 121304421023. The next prime is 121304421053. The reversal of 121304421030 is 30124403121.

It is a super-2 number, since 2×121304421030² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121304420988 and 121304421006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6992227 + ... + 7009553.

It is an arithmetic number, because the mean of its divisors is an integer number (2538118800).

Almost surely, 2^121304421030 is an apocalyptic number.

121304421030 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 121304421030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162439603200).

121304421030 is an abundant number, since it is smaller than the sum of its proper divisors (203574785370).

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

121304421030 is a wasteful number, since it uses less digits than its factorization.

121304421030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17998.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121304421030 its reverse (30124403121), we get a palindrome (151428824151).

The spelling of 121304421030 in words is "one hundred twenty-one billion, three hundred four million, four hundred twenty-one thousand, thirty".