121433314512 has 40 divisors (see below), whose sum is σ = 315808135200. Its totient is φ = 40206106240.

The previous prime is 121433314511. The next prime is 121433314547. The reversal of 121433314512 is 215413334121.

It is a self number, because there is not a number n which added to its sum of digits gives 121433314512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121433314511) 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 in 7 ways as a sum of consecutive naturals, for example, 8482314 + ... + 8496617.

It is an arithmetic number, because the mean of its divisors is an integer number (7895203380).

Almost surely, 2^121433314512 is an apocalyptic number.

121433314512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121433314512 is an abundant number, since it is smaller than the sum of its proper divisors (194374820688).

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

121433314512 is a wasteful number, since it uses less digits than its factorization.

121433314512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16979091 (or 16979085 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

Adding to 121433314512 its reverse (215413334121), we get a palindrome (336846648633).

The spelling of 121433314512 in words is "one hundred twenty-one billion, four hundred thirty-three million, three hundred fourteen thousand, five hundred twelve".