121330103312 has 20 divisors (see below), whose sum is σ = 256447718736. Its totient is φ = 55150046880.

The previous prime is 121330103291. The next prime is 121330103327. The reversal of 121330103312 is 213301033121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344687618 + ... + 344687969.

Almost surely, 2^121330103312 is an apocalyptic number.

It is an amenable number.

121330103312 is an abundant number, since it is smaller than the sum of its proper divisors (135117615424).

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

121330103312 is a wasteful number, since it uses less digits than its factorization.

121330103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689375606 (or 689375600 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121330103312 its reverse (213301033121), we get a palindrome (334631136433).

The spelling of 121330103312 in words is "one hundred twenty-one billion, three hundred thirty million, one hundred three thousand, three hundred twelve".