1201113013213 has 4 divisors (see below), whose sum is σ = 1211742332028. Its totient is φ = 1190483694400.

The previous prime is 1201113013181. The next prime is 1201113013223. The reversal of 1201113013213 is 3123103111021.

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 516022412409 + 685090600804 = 718347^2 + 827702^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201113013213 - 2⁵ = 1201113013181 is a prime.

It is a super-2 number, since 2×1201113013213² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201113013223) 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, 5314659238 + ... + 5314659463.

It is an arithmetic number, because the mean of its divisors is an integer number (302935583007).

Almost surely, 2^{1201113013213} is an apocalyptic number.

It is an amenable number.

1201113013213 is a deficient number, since it is larger than the sum of its proper divisors (10629318815).

1201113013213 is a wasteful number, since it uses less digits than its factorization.

1201113013213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10629318814.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1201113013213 its reverse (3123103111021), we get a palindrome (4324216124234).

The spelling of 1201113013213 in words is "one trillion, two hundred one billion, one hundred thirteen million, thirteen thousand, two hundred thirteen".