1199208920901 has 8 divisors (see below), whose sum is σ = 1601024483520. Its totient is φ = 798432986112.

The previous prime is 1199208920891. The next prime is 1199208920939. The reversal of 1199208920901 is 1090298029911.

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

It is not a de Polignac number, because 1199208920901 - 2¹⁰ = 1199208919877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199208920941) 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, 259904265 + ... + 259908878.

It is an arithmetic number, because the mean of its divisors is an integer number (200128060440).

Almost surely, 2^{1199208920901} is an apocalyptic number.

It is an amenable number.

1199208920901 is a deficient number, since it is larger than the sum of its proper divisors (401815562619).

1199208920901 is an equidigital number, since it uses as much as digits as its factorization.

1199208920901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519813915.

The product of its (nonzero) digits is 209952, while the sum is 51.

The spelling of 1199208920901 in words is "one trillion, one hundred ninety-nine billion, two hundred eight million, nine hundred twenty thousand, nine hundred one".