1320302231249 has 2 divisors, whose sum is σ = 1320302231250. Its totient is φ = 1320302231248.

The previous prime is 1320302231243. The next prime is 1320302231341. The reversal of 1320302231249 is 9421322030231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 947396595649 + 372905635600 = 973343^2 + 610660^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320302231249 - 2⁴ = 1320302231233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320302231243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660151115624 + 660151115625.

It is an arithmetic number, because the mean of its divisors is an integer number (660151115625).

Almost surely, 2^{1320302231249} is an apocalyptic number.

It is an amenable number.

1320302231249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320302231249 is an equidigital number, since it uses as much as digits as its factorization.

1320302231249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

It can be divided in two parts, 1320302 and 231249, that added together give a palindrome (1551551).

The spelling of 1320302231249 in words is "one trillion, three hundred twenty billion, three hundred two million, two hundred thirty-one thousand, two hundred forty-nine".