1201177841198 has 8 divisors (see below), whose sum is σ = 1803807270408. Its totient is φ = 599908751064.

The previous prime is 1201177841179. The next prime is 1201177841203. The reversal of 1201177841198 is 8911487711021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340082561 + ... + 340086092.

It is an arithmetic number, because the mean of its divisors is an integer number (225475908801).

Almost surely, 2^{1201177841198} is an apocalyptic number.

1201177841198 is a deficient number, since it is larger than the sum of its proper divisors (602629429210).

1201177841198 is an equidigital number, since it uses as much as digits as its factorization.

1201177841198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680169538.

The product of its (nonzero) digits is 225792, while the sum is 50.

The spelling of 1201177841198 in words is "one trillion, two hundred one billion, one hundred seventy-seven million, eight hundred forty-one thousand, one hundred ninety-eight".