1201001013313 has 4 divisors (see below), whose sum is σ = 1201193827540. Its totient is φ = 1200808199088.

The previous prime is 1201001013299. The next prime is 1201001013319. The reversal of 1201001013313 is 3133101001021.

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 181086844849 + 1019914168464 = 425543^2 + 1009908^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201001013313 - 2¹⁷ = 1201000882241 is a prime.

It is a super-5 number, since 5×1201001013313⁵ (a number of 62 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201001013319) 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, 96397770 + ... + 96410227.

It is an arithmetic number, because the mean of its divisors is an integer number (300298456885).

Almost surely, 2^{1201001013313} is an apocalyptic number.

It is an amenable number.

1201001013313 is a deficient number, since it is larger than the sum of its proper divisors (192814227).

1201001013313 is an equidigital number, since it uses as much as digits as its factorization.

1201001013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192814226.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1201001013313 its reverse (3133101001021), we get a palindrome (4334102014334).

The spelling of 1201001013313 in words is "one trillion, two hundred one billion, one million, thirteen thousand, three hundred thirteen".