121233400330 has 64 divisors (see below), whose sum is σ = 264511526400. Its totient is φ = 39054495744.

The previous prime is 121233400283. The next prime is 121233400367. The reversal of 121233400330 is 33004332121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 619771 + ... + 791569.

It is an arithmetic number, because the mean of its divisors is an integer number (4132992600).

Almost surely, 2^121233400330 is an apocalyptic number.

121233400330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121233400330 is an abundant number, since it is smaller than the sum of its proper divisors (143278126070).

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

121233400330 is a wasteful number, since it uses less digits than its factorization.

121233400330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172423.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 121233400330 its reverse (33004332121), we get a palindrome (154237732451).

The spelling of 121233400330 in words is "one hundred twenty-one billion, two hundred thirty-three million, four hundred thousand, three hundred thirty".