128008181727222 has 32 divisors (see below), whose sum is σ = 256636719554400. Its totient is φ = 42566010896640.

The previous prime is 128008181727211. The next prime is 128008181727233. The reversal of 128008181727222 is 222727181800821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (128008181727211) and next prime (128008181727233).

It is a congruent number.

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, 52224298 + ... + 54620450.

It is an arithmetic number, because the mean of its divisors is an integer number (8019897486075).

Almost surely, 2^{128008181727222} is an apocalyptic number.

128008181727222 is an abundant number, since it is smaller than the sum of its proper divisors (128628537827178).

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

128008181727222 is a wasteful number, since it uses less digits than its factorization.

128008181727222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417728.

The product of its (nonzero) digits is 802816, while the sum is 51.

The spelling of 128008181727222 in words is "one hundred twenty-eight trillion, eight billion, one hundred eighty-one million, seven hundred twenty-seven thousand, two hundred twenty-two".