1298695069712 has 10 divisors (see below), whose sum is σ = 2516221697598. Its totient is φ = 649347534848.

The previous prime is 1298695069697. The next prime is 1298695069717. The reversal of 1298695069712 is 2179605968921.

It can be written as a sum of positive squares in only one way, i.e., 1011746292736 + 286948776976 = 1005856^2 + 535676^2 .

It is not an unprimeable number, because it can be changed into a prime (1298695069717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40584220913 + ... + 40584220944.

Almost surely, 2^{1298695069712} is an apocalyptic number.

It is an amenable number.

1298695069712 is a deficient number, since it is larger than the sum of its proper divisors (1217526627886).

1298695069712 is an equidigital number, since it uses as much as digits as its factorization.

1298695069712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81168441865 (or 81168441859 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 65.

The spelling of 1298695069712 in words is "one trillion, two hundred ninety-eight billion, six hundred ninety-five million, sixty-nine thousand, seven hundred twelve".