28141202912228 has 12 divisors (see below), whose sum is σ = 56282405824512. Its totient is φ = 12060515533800.

The previous prime is 28141202912227. The next prime is 28141202912279. The reversal of 28141202912228 is 82221920214182.

28141202912228 is an admirable number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28141202912227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502521480548 + ... + 502521480603.

It is an arithmetic number, because the mean of its divisors is an integer number (4690200485376).

Almost surely, 2^{28141202912228} is an apocalyptic number.

28141202912228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28141202912228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28141202912228 is a wasteful number, since it uses less digits than its factorization.

28141202912228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005042961162 (or 1005042961160 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 28141202912228 in words is "twenty-eight trillion, one hundred forty-one billion, two hundred two million, nine hundred twelve thousand, two hundred twenty-eight".