1197996011328 has 56 divisors (see below), whose sum is σ = 3174058119232. Its totient is φ = 398782669824.

The previous prime is 1197996011327. The next prime is 1197996011393. The reversal of 1197996011328 is 8231106997911.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197996011327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4151725 + ... + 4430892.

It is an arithmetic number, because the mean of its divisors is an integer number (56679609272).

Almost surely, 2^{1197996011328} is an apocalyptic number.

It is an amenable number.

1197996011328 is an abundant number, since it is smaller than the sum of its proper divisors (1976062107904).

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

1197996011328 is an equidigital number, since it uses as much as digits as its factorization.

1197996011328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8583359 (or 8583349 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 57.

The spelling of 1197996011328 in words is "one trillion, one hundred ninety-seven billion, nine hundred ninety-six million, eleven thousand, three hundred twenty-eight".