128456227332 has 36 divisors (see below), whose sum is σ = 332260168240. Its totient is φ = 41822957232.

The previous prime is 128456227327. The next prime is 128456227337. The reversal of 128456227332 is 233722654821.

128456227332 is a `hidden beast` number, since 1 + 2 + 84 + 562 + 2 + 7 + 3 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (128456227327) and next prime (128456227337).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (128456227337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41489482 + ... + 41492577.

Almost surely, 2^128456227332 is an apocalyptic number.

128456227332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128456227332 is an abundant number, since it is smaller than the sum of its proper divisors (203803940908).

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

128456227332 is a wasteful number, since it uses less digits than its factorization.

128456227332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82982112 (or 82982107 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 128456227332 in words is "one hundred twenty-eight billion, four hundred fifty-six million, two hundred twenty-seven thousand, three hundred thirty-two".