121452044592 has 80 divisors (see below), whose sum is σ = 317286478080. Its totient is φ = 40029056256.

The previous prime is 121452044563. The next prime is 121452044603. The reversal of 121452044592 is 295440254121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121452044592.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3239458 + ... + 3276734.

It is an arithmetic number, because the mean of its divisors is an integer number (3966080976).

Almost surely, 2^121452044592 is an apocalyptic number.

121452044592 is a gapful number since it is divisible by the number (12) 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 121452044592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158643239040).

121452044592 is an abundant number, since it is smaller than the sum of its proper divisors (195834433488).

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

121452044592 is a wasteful number, since it uses less digits than its factorization.

121452044592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38050 (or 38044 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 121452044592 in words is "one hundred twenty-one billion, four hundred fifty-two million, forty-four thousand, five hundred ninety-two".