121241224313312 has 48 divisors (see below), whose sum is σ = 244680562473984. Its totient is φ = 59102125824000.

The previous prime is 121241224313243. The next prime is 121241224313327. The reversal of 121241224313312 is 213313422142121.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 29255264 + ... + 33141407.

It is an arithmetic number, because the mean of its divisors is an integer number (5097511718208).

Almost surely, 2^{121241224313312} is an apocalyptic number.

It is an amenable number.

121241224313312 is an abundant number, since it is smaller than the sum of its proper divisors (123439338160672).

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

121241224313312 is a wasteful number, since it uses less digits than its factorization.

121241224313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62398203 (or 62398195 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

Adding to 121241224313312 its reverse (213313422142121), we get a palindrome (334554646455433).

The spelling of 121241224313312 in words is "one hundred twenty-one trillion, two hundred forty-one billion, two hundred twenty-four million, three hundred thirteen thousand, three hundred twelve".