121331310234 has 32 divisors (see below), whose sum is σ = 253248712704. Its totient is φ = 38679915120.

The previous prime is 121331310179. The next prime is 121331310241. The reversal of 121331310234 is 432013133121.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989647 + ... + 1105469.

It is an arithmetic number, because the mean of its divisors is an integer number (7914022272).

Almost surely, 2^121331310234 is an apocalyptic number.

121331310234 is an abundant number, since it is smaller than the sum of its proper divisors (131917402470).

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

121331310234 is a wasteful number, since it uses less digits than its factorization.

121331310234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123442.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121331310234 its reverse (432013133121), we get a palindrome (553344443355).

The spelling of 121331310234 in words is "one hundred twenty-one billion, three hundred thirty-one million, three hundred ten thousand, two hundred thirty-four".