121333103412 has 12 divisors (see below), whose sum is σ = 283110574656. Its totient is φ = 40444367800.

The previous prime is 121333103369. The next prime is 121333103413. The reversal of 121333103412 is 214301333121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333103413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055545964 + ... + 5055545987.

It is an arithmetic number, because the mean of its divisors is an integer number (23592547888).

Almost surely, 2^121333103412 is an apocalyptic number.

121333103412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121333103412 is an abundant number, since it is smaller than the sum of its proper divisors (161777471244).

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

121333103412 is a wasteful number, since it uses less digits than its factorization.

121333103412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111091958 (or 10111091956 counting only the distinct ones).

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

Adding to 121333103412 its reverse (214301333121), we get a palindrome (335634436533).

The spelling of 121333103412 in words is "one hundred twenty-one billion, three hundred thirty-three million, one hundred three thousand, four hundred twelve".