121433144512 has 14 divisors (see below), whose sum is σ = 240968896268. Its totient is φ = 60716572224.

The previous prime is 121433144491. The next prime is 121433144513. The reversal of 121433144512 is 215441334121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121433144513) by changing a digit.

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 as a sum of consecutive naturals, namely, 948696378 + ... + 948696505.

Almost surely, 2^121433144512 is an apocalyptic number.

It is an amenable number.

121433144512 is a deficient number, since it is larger than the sum of its proper divisors (119535751756).

121433144512 is an equidigital number, since it uses as much as digits as its factorization.

121433144512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897392895 (or 1897392885 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

Adding to 121433144512 its reverse (215441334121), we get a palindrome (336874478633).

The spelling of 121433144512 in words is "one hundred twenty-one billion, four hundred thirty-three million, one hundred forty-four thousand, five hundred twelve".