128321308622 has 8 divisors (see below), whose sum is σ = 207288267816. Its totient is φ = 59225219352.

The previous prime is 128321308559. The next prime is 128321308637. The reversal of 128321308622 is 226803123821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2467717448 + ... + 2467717499.

It is an arithmetic number, because the mean of its divisors is an integer number (25911033477).

Almost surely, 2^128321308622 is an apocalyptic number.

128321308622 is a deficient number, since it is larger than the sum of its proper divisors (78966959194).

128321308622 is a wasteful number, since it uses less digits than its factorization.

128321308622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935434962.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 128321308622 in words is "one hundred twenty-eight billion, three hundred twenty-one million, three hundred eight thousand, six hundred twenty-two".