121332120330 has 32 divisors (see below), whose sum is σ = 306523252800. Its totient is φ = 30652324992.

The previous prime is 121332120319. The next prime is 121332120337. The reversal of 121332120330 is 33021233121.

It is a junction number, because it is equal to n+sod(n) for n = 121332120297 and 121332120306.

It is not an unprimeable number, because it can be changed into a prime (121332120337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106431115 + ... + 106432254.

It is an arithmetic number, because the mean of its divisors is an integer number (9578851650).

Almost surely, 2^121332120330 is an apocalyptic number.

121332120330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121332120330 is an abundant number, since it is smaller than the sum of its proper divisors (185191132470).

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

121332120330 is a wasteful number, since it uses less digits than its factorization.

121332120330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212863398.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121332120330 its reverse (33021233121), we get a palindrome (154353353451).

The spelling of 121332120330 in words is "one hundred twenty-one billion, three hundred thirty-two million, one hundred twenty thousand, three hundred thirty".