1200220113013 has 4 divisors (see below), whose sum is σ = 1229493774348. Its totient is φ = 1170946451680.

The previous prime is 1200220113011. The next prime is 1200220113031. The reversal of 1200220113013 is 3103110220021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 579146874289 + 621073238724 = 761017^2 + 788082^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200220113013 - 2¹ = 1200220113011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200220113011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14636830606 + ... + 14636830687.

It is an arithmetic number, because the mean of its divisors is an integer number (307373443587).

Almost surely, 2^{1200220113013} is an apocalyptic number.

It is an amenable number.

1200220113013 is a deficient number, since it is larger than the sum of its proper divisors (29273661335).

1200220113013 is an equidigital number, since it uses as much as digits as its factorization.

1200220113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29273661334.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1200220113013 its reverse (3103110220021), we get a palindrome (4303330333034).

The spelling of 1200220113013 in words is "one trillion, two hundred billion, two hundred twenty million, one hundred thirteen thousand, thirteen".