1228171848576 has 32 divisors (see below), whose sum is σ = 3262331473800. Its totient is φ = 409390616064.

The previous prime is 1228171848539. The next prime is 1228171848583. The reversal of 1228171848576 is 6758481718221.

It is a tau number, because it is divible by the number of its divisors (32).

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, 1599181711 + ... + 1599182478.

Almost surely, 2^{1228171848576} is an apocalyptic number.

1228171848576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1228171848576 is an abundant number, since it is smaller than the sum of its proper divisors (2034159625224).

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

1228171848576 is an equidigital number, since it uses as much as digits as its factorization.

1228171848576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198364206 (or 3198364194 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 60.

The spelling of 1228171848576 in words is "one trillion, two hundred twenty-eight billion, one hundred seventy-one million, eight hundred forty-eight thousand, five hundred seventy-six".