121303433320 has 32 divisors (see below), whose sum is σ = 273897177120. Its totient is φ = 48349915200.

The previous prime is 121303433299. The next prime is 121303433353. The reversal of 121303433320 is 23334303121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5346606 + ... + 5369245.

It is an arithmetic number, because the mean of its divisors is an integer number (8559286785).

Almost surely, 2^121303433320 is an apocalyptic number.

121303433320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121303433320 is an abundant number, since it is smaller than the sum of its proper divisors (152593743800).

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

121303433320 is a wasteful number, since it uses less digits than its factorization.

121303433320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716145 (or 10716141 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 121303433320 its reverse (23334303121), we get a palindrome (144637736441).

The spelling of 121303433320 in words is "one hundred twenty-one billion, three hundred three million, four hundred thirty-three thousand, three hundred twenty".