1198898081472 has 336 divisors, whose sum is σ = 3984196077312. Its totient is φ = 311469649920.

The previous prime is 1198898081471. The next prime is 1198898081477. The reversal of 1198898081472 is 2741808988911.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (336).

It is not an unprimeable number, because it can be changed into a prime (1198898081471) 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, 15178722 + ... + 15257502.

Almost surely, 2^{1198898081472} is an apocalyptic number.

1198898081472 is a gapful number since it is divisible by the number (12) 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 1198898081472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1992098038656).

1198898081472 is an abundant number, since it is smaller than the sum of its proper divisors (2785297995840).

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

1198898081472 is a wasteful number, since it uses less digits than its factorization.

1198898081472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78896 (or 78873 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 66.

The spelling of 1198898081472 in words is "one trillion, one hundred ninety-eight billion, eight hundred ninety-eight million, eighty-one thousand, four hundred seventy-two".