1208441959997 has 2 divisors, whose sum is σ = 1208441959998. Its totient is φ = 1208441959996.

The previous prime is 1208441959987. The next prime is 1208441960023. The reversal of 1208441959997 is 7999591448021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 877464966361 + 330976993636 = 936731^2 + 575306^2 .

It is a cyclic number.

It is not a de Polignac number, because 1208441959997 - 2³⁸ = 933564053053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1208441959927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604220979998 + 604220979999.

It is an arithmetic number, because the mean of its divisors is an integer number (604220979999).

Almost surely, 2^{1208441959997} is an apocalyptic number.

It is an amenable number.

1208441959997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1208441959997 is an equidigital number, since it uses as much as digits as its factorization.

1208441959997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58786560, while the sum is 68.

The spelling of 1208441959997 in words is "one trillion, two hundred eight billion, four hundred forty-one million, nine hundred fifty-nine thousand, nine hundred ninety-seven".