121333121010012 has 24 divisors (see below), whose sum is σ = 283110794752912. Its totient is φ = 40444348089600.

The previous prime is 121333121009983. The next prime is 121333121010047. The reversal of 121333121010012 is 210010121333121.

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 7 ways as a sum of consecutive naturals, for example, 32565462 + ... + 36099522.

Almost surely, 2^{121333121010012} is an apocalyptic number.

121333121010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121333121010012 is an abundant number, since it is smaller than the sum of its proper divisors (161777673742900).

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

121333121010012 is a wasteful number, since it uses less digits than its factorization.

121333121010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395109 (or 6395107 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121333121010012 its reverse (210010121333121), we get a palindrome (331343242343133).

The spelling of 121333121010012 in words is "one hundred twenty-one trillion, three hundred thirty-three billion, one hundred twenty-one million, ten thousand, twelve".