1228098318720 has 768 divisors, whose sum is σ = 4888530662400. Its totient is φ = 255371968512.

The previous prime is 1228098318701. The next prime is 1228098318739. The reversal of 1228098318720 is 278138908221.

It is an interprime number because it is at equal distance from previous prime (1228098318701) and next prime (1228098318739).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 931082221 + ... + 931083539.

It is an arithmetic number, because the mean of its divisors is an integer number (6365274300).

Almost surely, 2^{1228098318720} is an apocalyptic number.

1228098318720 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 1228098318720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2444265331200).

1228098318720 is an abundant number, since it is smaller than the sum of its proper divisors (3660432343680).

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

1228098318720 is a wasteful number, since it uses less digits than its factorization.

1228098318720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 1228098318720 in words is "one trillion, two hundred twenty-eight billion, ninety-eight million, three hundred eighteen thousand, seven hundred twenty".