1228560194568 has 192 divisors, whose sum is σ = 3762418334400. Its totient is φ = 332408240640.

The previous prime is 1228560194551. The next prime is 1228560194569. The reversal of 1228560194568 is 8654910658221.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (1228560194569) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63380238 + ... + 63399618.

It is an arithmetic number, because the mean of its divisors is an integer number (19595928825).

Almost surely, 2^{1228560194568} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1228560194568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1881209167200).

1228560194568 is an abundant number, since it is smaller than the sum of its proper divisors (2533858139832).

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

1228560194568 is a wasteful number, since it uses less digits than its factorization.

1228560194568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22260 (or 22249 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 57.

The spelling of 1228560194568 in words is "one trillion, two hundred twenty-eight billion, five hundred sixty million, one hundred ninety-four thousand, five hundred sixty-eight".