1228559253000 has 256 divisors, whose sum is σ = 3880654202880. Its totient is φ = 323568000000.

The previous prime is 1228559252983. The next prime is 1228559253007. The reversal of 1228559253000 is 3529558221.

It is not an unprimeable number, because it can be changed into a prime (1228559253007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127558185 + ... + 127567815.

It is an arithmetic number, because the mean of its divisors is an integer number (15158805480).

Almost surely, 2^{1228559253000} is an apocalyptic number.

1228559253000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1228559253000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1940327101440).

1228559253000 is an abundant number, since it is smaller than the sum of its proper divisors (2652094949880).

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

1228559253000 is a wasteful number, since it uses less digits than its factorization.

1228559253000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10177 (or 10163 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 1228559253000 in words is "one trillion, two hundred twenty-eight billion, five hundred fifty-nine million, two hundred fifty-three thousand".