121212313310230 has 32 divisors (see below), whose sum is σ = 218412998726400. Its totient is φ = 48433632727392.

The previous prime is 121212313310227. The next prime is 121212313310281. The reversal of 121212313310230 is 32013313212121.

It is a junction number, because it is equal to n+sod(n) for n = 121212313310195 and 121212313310204.

It is a congruent 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, 254742681 + ... + 255218059.

It is an arithmetic number, because the mean of its divisors is an integer number (6825406210200).

Almost surely, 2^{121212313310230} is an apocalyptic number.

121212313310230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121212313310230 is a deficient number, since it is larger than the sum of its proper divisors (97200685416170).

121212313310230 is a wasteful number, since it uses less digits than its factorization.

121212313310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502308.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121212313310230 its reverse (32013313212121), we get a palindrome (153225626522351).

The spelling of 121212313310230 in words is "one hundred twenty-one trillion, two hundred twelve billion, three hundred thirteen million, three hundred ten thousand, two hundred thirty".