1201121301313 has 4 divisors (see below), whose sum is σ = 1201130004928. Its totient is φ = 1201112597700.

The previous prime is 1201121301287. The next prime is 1201121301379. The reversal of 1201121301313 is 3131031211021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201121301313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201127301313) 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, 4141413 + ... + 4421938.

It is an arithmetic number, because the mean of its divisors is an integer number (300282501232).

Almost surely, 2^{1201121301313} is an apocalyptic number.

It is an amenable number.

1201121301313 is a deficient number, since it is larger than the sum of its proper divisors (8703615).

1201121301313 is an equidigital number, since it uses as much as digits as its factorization.

1201121301313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703614.

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

Adding to 1201121301313 its reverse (3131031211021), we get a palindrome (4332152512334).

The spelling of 1201121301313 in words is "one trillion, two hundred one billion, one hundred twenty-one million, three hundred one thousand, three hundred thirteen".