1200320134113 has 16 divisors (see below), whose sum is σ = 1603175178240. Its totient is φ = 798840289104.

The previous prime is 1200320134103. The next prime is 1200320134141. The reversal of 1200320134113 is 3114310230021.

It is not a de Polignac number, because 1200320134113 - 2⁹ = 1200320133601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200320134113.

It is not an unprimeable number, because it can be changed into a prime (1200320134103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4570120 + ... + 4825622.

It is an arithmetic number, because the mean of its divisors is an integer number (100198448640).

Almost surely, 2^{1200320134113} is an apocalyptic number.

It is an amenable number.

1200320134113 is a deficient number, since it is larger than the sum of its proper divisors (402855044127).

1200320134113 is a wasteful number, since it uses less digits than its factorization.

1200320134113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258188.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1200320134113 its reverse (3114310230021), we get a palindrome (4314630364134).

The spelling of 1200320134113 in words is "one trillion, two hundred billion, three hundred twenty million, one hundred thirty-four thousand, one hundred thirteen".