1201344103209 has 32 divisors (see below), whose sum is σ = 1697755507200. Its totient is φ = 753508517760.

The previous prime is 1201344103177. The next prime is 1201344103217. The reversal of 1201344103209 is 9023014431021.

It is not a de Polignac number, because 1201344103209 - 2⁵ = 1201344103177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1201344103109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7687122 + ... + 7841844.

It is an arithmetic number, because the mean of its divisors is an integer number (53054859600).

Almost surely, 2^{1201344103209} is an apocalyptic number.

1201344103209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1201344103209 is a deficient number, since it is larger than the sum of its proper divisors (496411403991).

1201344103209 is a wasteful number, since it uses less digits than its factorization.

1201344103209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155685.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 1201344103209 in words is "one trillion, two hundred one billion, three hundred forty-four million, one hundred three thousand, two hundred nine".