1201321122313 has 8 divisors (see below), whose sum is σ = 1321256619648. Its totient is φ = 1085317936464.

The previous prime is 1201321122293. The next prime is 1201321122343. The reversal of 1201321122313 is 3132211231021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201321122313 - 2²¹ = 1201319025161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201321122343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983077231 + ... + 983078452.

It is an arithmetic number, because the mean of its divisors is an integer number (165157077456).

Almost surely, 2^{1201321122313} is an apocalyptic number.

1201321122313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1201321122313 is a deficient number, since it is larger than the sum of its proper divisors (119935497335).

1201321122313 is a wasteful number, since it uses less digits than its factorization.

1201321122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966155743.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1201321122313 its reverse (3132211231021), we get a palindrome (4333532353334).

The spelling of 1201321122313 in words is "one trillion, two hundred one billion, three hundred twenty-one million, one hundred twenty-two thousand, three hundred thirteen".