1199129019201 has 24 divisors (see below), whose sum is σ = 1739309120640. Its totient is φ = 796081860000.

The previous prime is 1199129019173. The next prime is 1199129019203. The reversal of 1199129019201 is 1029109219911.

It is not a de Polignac number, because 1199129019201 - 2⁵ = 1199129019169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1199129019203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12419331 + ... + 12515511.

It is an arithmetic number, because the mean of its divisors is an integer number (72471213360).

Almost surely, 2^{1199129019201} is an apocalyptic number.

It is an amenable number.

1199129019201 is a deficient number, since it is larger than the sum of its proper divisors (540180101439).

1199129019201 is a wasteful number, since it uses less digits than its factorization.

1199129019201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101957 (or 101954 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 45.

The spelling of 1199129019201 in words is "one trillion, one hundred ninety-nine billion, one hundred twenty-nine million, nineteen thousand, two hundred one".