1320313012401 has 4 divisors (see below), whose sum is σ = 1760417349872.
Its totient is φ = 880208674932.
The previous prime is 1320313012399. The next prime is 1320313012429. The reversal of 1320313012401 is 1042103130231.
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 not a de Polignac number, because 1320313012401 - 21 = 1320313012399 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1320313012201) 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, 220052168731 + ... + 220052168736.
It is an arithmetic number, because the mean of its divisors is an integer number (440104337468).
Almost surely, 21320313012401 is an apocalyptic number.
It is an amenable number.
1320313012401 is a deficient number, since it is larger than the sum of its proper divisors (440104337471).
1320313012401 is an equidigital number, since it uses as much as digits as its factorization.
1320313012401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 440104337470.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 1320313012401 its reverse (1042103130231), we get a palindrome (2362416142632).
The spelling of 1320313012401 in words is "one trillion, three hundred twenty billion, three hundred thirteen million, twelve thousand, four hundred one".