1248206320001 has 2 divisors, whose sum is σ = 1248206320002. Its totient is φ = 1248206320000.

The previous prime is 1248206319991. The next prime is 1248206320003. The reversal of 1248206320001 is 1000236028421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 783322353025 + 464883966976 = 885055^2 + 681824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1248206320001 is a prime.

Together with 1248206320003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1248206320003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624103160000 + 624103160001.

It is an arithmetic number, because the mean of its divisors is an integer number (624103160001).

Almost surely, 2^{1248206320001} is an apocalyptic number.

It is an amenable number.

1248206320001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248206320001 is an equidigital number, since it uses as much as digits as its factorization.

1248206320001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 1248206320001 in words is "one trillion, two hundred forty-eight billion, two hundred six million, three hundred twenty thousand, one".