1201104001312 has 24 divisors (see below), whose sum is σ = 2364897483900. Its totient is φ = 600495116544.

The previous prime is 1201104001309. The next prime is 1201104001313. The reversal of 1201104001312 is 2131004011021.

It can be written as a sum of positive squares in 2 ways, for example, as 1074962534416 + 126141466896 = 1036804^2 + 355164^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1201104001313) 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 3 ways as a sum of consecutive naturals, for example, 1433487 + ... + 2111182.

Almost surely, 2^{1201104001312} is an apocalyptic number.

It is an amenable number.

1201104001312 is a deficient number, since it is larger than the sum of its proper divisors (1163793482588).

1201104001312 is a wasteful number, since it uses less digits than its factorization.

1201104001312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555268 (or 3555260 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1201104001312 its reverse (2131004011021), we get a palindrome (3332108012333).

The spelling of 1201104001312 in words is "one trillion, two hundred one billion, one hundred four million, one thousand, three hundred twelve".