128284105047222 has 16 divisors (see below), whose sum is σ = 256578457956912. Its totient is φ = 42759660372000.

The previous prime is 128284105047173. The next prime is 128284105047229. The reversal of 128284105047222 is 222740501482821.

It is a super-3 number, since 3×128284105047222³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128284105047229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426831529 + ... + 427131972.

It is an arithmetic number, because the mean of its divisors is an integer number (16036153622307).

Almost surely, 2^{128284105047222} is an apocalyptic number.

128284105047222 is an abundant number, since it is smaller than the sum of its proper divisors (128294352909690).

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

128284105047222 is a wasteful number, since it uses less digits than its factorization.

128284105047222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853988543.

The product of its (nonzero) digits is 1146880, while the sum is 48.

The spelling of 128284105047222 in words is "one hundred twenty-eight trillion, two hundred eighty-four billion, one hundred five million, forty-seven thousand, two hundred twenty-two".