12221076317328 has 60 divisors (see below), whose sum is σ = 34202277128448. Its totient is φ = 4073663858880.

The previous prime is 12221076317293. The next prime is 12221076317347. The reversal of 12221076317328 is 82371367012221.

12221076317328 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 1 + 0 + 7 + 6 + 317 + 328 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36251401 + ... + 36586967.

Almost surely, 2^{12221076317328} is an apocalyptic number.

12221076317328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12221076317328 is an abundant number, since it is smaller than the sum of its proper divisors (21981200811120).

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

12221076317328 is a wasteful number, since it uses less digits than its factorization.

12221076317328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588492 (or 588483 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 12221076317328 in words is "twelve trillion, two hundred twenty-one billion, seventy-six million, three hundred seventeen thousand, three hundred twenty-eight".