1201323222313 has 2 divisors, whose sum is σ = 1201323222314. Its totient is φ = 1201323222312.

The previous prime is 1201323222311. The next prime is 1201323222371. The reversal of 1201323222313 is 3132223231021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101475438144 + 99847784169 = 1049512^2 + 315987^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201323222313 - 2¹ = 1201323222311 is a prime.

Together with 1201323222311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1201323222311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600661611156 + 600661611157.

It is an arithmetic number, because the mean of its divisors is an integer number (600661611157).

Almost surely, 2^{1201323222313} is an apocalyptic number.

It is an amenable number.

1201323222313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201323222313 is an equidigital number, since it uses as much as digits as its factorization.

1201323222313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1201323222313 its reverse (3132223231021), we get a palindrome (4333546453334).

The spelling of 1201323222313 in words is "one trillion, two hundred one billion, three hundred twenty-three million, two hundred twenty-two thousand, three hundred thirteen".