121144413323424 has 48 divisors (see below), whose sum is σ = 318134575569888. Its totient is φ = 40364900873472.

The previous prime is 121144413323419. The next prime is 121144413323447. The reversal of 121144413323424 is 424323314441121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×121144413323424³ (a number of 43 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258674742 + ... + 259142645.

It is an arithmetic number, because the mean of its divisors is an integer number (6627803657706).

Almost surely, 2^{121144413323424} is an apocalyptic number.

It is an amenable number.

121144413323424 is an abundant number, since it is smaller than the sum of its proper divisors (196990162246464).

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

121144413323424 is a wasteful number, since it uses less digits than its factorization.

121144413323424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517819837 (or 517819829 counting only the distinct ones).

The product of its digits is 221184, while the sum is 39.

Adding to 121144413323424 its reverse (424323314441121), we get a palindrome (545467727764545).

The spelling of 121144413323424 in words is "one hundred twenty-one trillion, one hundred forty-four billion, four hundred thirteen million, three hundred twenty-three thousand, four hundred twenty-four".