12221329296024 has 96 divisors (see below), whose sum is σ = 34172704051200. Its totient is φ = 3941724265920.

The previous prime is 12221329295963. The next prime is 12221329296041. The reversal of 12221329296024 is 42069292312221.

12221329296024 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 1 + 32 + 9 + 2 + 9 + 602 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13403737 + ... + 14286455.

It is an arithmetic number, because the mean of its divisors is an integer number (355965667200).

Almost surely, 2^{12221329296024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12221329296024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17086352025600).

12221329296024 is an abundant number, since it is smaller than the sum of its proper divisors (21951374755176).

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

12221329296024 is a wasteful number, since it uses less digits than its factorization.

12221329296024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888965 (or 888958 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 12221329296024 in words is "twelve trillion, two hundred twenty-one billion, three hundred twenty-nine million, two hundred ninety-six thousand, twenty-four".