121203331232 has 24 divisors (see below), whose sum is σ = 238644516852. Its totient is φ = 60595200000.

The previous prime is 121203331231. The next prime is 121203331247. The reversal of 121203331232 is 232133302121.

It can be written as a sum of positive squares in 2 ways, for example, as 119469774736 + 1733556496 = 345644^2 + 41636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121203331198 and 121203331207.

It is not an unprimeable number, because it can be changed into a prime (121203331231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109982 + ... + 504482.

Almost surely, 2^121203331232 is an apocalyptic number.

It is an amenable number.

121203331232 is a deficient number, since it is larger than the sum of its proper divisors (117441185620).

121203331232 is an equidigital number, since it uses as much as digits as its factorization.

121203331232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404112 (or 404104 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 121203331232 its reverse (232133302121), we get a palindrome (353336633353).

The spelling of 121203331232 in words is "one hundred twenty-one billion, two hundred three million, three hundred thirty-one thousand, two hundred thirty-two".