1228883307288 has 512 divisors, whose sum is σ = 3958120857600. Its totient is φ = 309384271872.

The previous prime is 1228883307271. The next prime is 1228883307319. The reversal of 1228883307288 is 8827033888221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 703424031 + ... + 703425777.

It is an arithmetic number, because the mean of its divisors is an integer number (7730704800).

Almost surely, 2^{1228883307288} 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 1228883307288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1979060428800).

1228883307288 is an abundant number, since it is smaller than the sum of its proper divisors (2729237550312).

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

1228883307288 is a wasteful number, since it uses less digits than its factorization.

1228883307288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 60.

The spelling of 1228883307288 in words is "one trillion, two hundred twenty-eight billion, eight hundred eighty-three million, three hundred seven thousand, two hundred eighty-eight".