121225323734424 has 288 divisors, whose sum is σ = 406339232382720. Its totient is φ = 31968793269504.

The previous prime is 121225323734419. The next prime is 121225323734443. The reversal of 121225323734424 is 424437323522121.

121225323734424 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 2 + 53 + 237 + 344 + 24 = 666.

It is a super-2 number, since 2×121225323734424² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121225323734424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1123161949 + ... + 1123269875.

It is an arithmetic number, because the mean of its divisors is an integer number (1410900112440).

Almost surely, 2^{121225323734424} is an apocalyptic number.

121225323734424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121225323734424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203169616191360).

121225323734424 is an abundant number, since it is smaller than the sum of its proper divisors (285113908648296).

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

121225323734424 is a wasteful number, since it uses less digits than its factorization.

121225323734424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121159 (or 121139 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 45.

The spelling of 121225323734424 in words is "one hundred twenty-one trillion, two hundred twenty-five billion, three hundred twenty-three million, seven hundred thirty-four thousand, four hundred twenty-four".