1308699897122 has 6 divisors (see below), whose sum is σ = 1963052272443. Its totient is φ = 654349139642.

The previous prime is 1308699897119. The next prime is 1308699897133. The reversal of 1308699897122 is 2217989968031.

It can be written as a sum of positive squares in only one way, i.e., 654349948561 + 654349948561 = 808919^2 + 808919^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=808919.

It is a Duffinian number.

It is an unprimeable number.

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 in 2 ways as a sum of consecutive naturals, for example, 1213379 + ... + 2022297.

Almost surely, 2^{1308699897122} is an apocalyptic number.

1308699897122 is a deficient number, since it is larger than the sum of its proper divisors (654352375321).

1308699897122 is an frugal number, since it uses more digits than its factorization.

1308699897122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617840 (or 808921 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 65.

The spelling of 1308699897122 in words is "one trillion, three hundred eight billion, six hundred ninety-nine million, eight hundred ninety-seven thousand, one hundred twenty-two".