12698320449730 has 8 divisors (see below), whose sum is σ = 22856976809532. Its totient is φ = 5079328179888.

The previous prime is 12698320449709. The next prime is 12698320449751. The reversal of 12698320449730 is 3794402389621.

It is an interprime number because it is at equal distance from previous prime (12698320449709) and next prime (12698320449751).

It can be written as a sum of positive squares in 2 ways, for example, as 11545405009609 + 1152915440121 = 3397853^2 + 1073739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12698320449730² (a number of 27 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 634916022477 + ... + 634916022496.

Almost surely, 2^{12698320449730} is an apocalyptic number.

12698320449730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12698320449730 is a deficient number, since it is larger than the sum of its proper divisors (10158656359802).

12698320449730 is a wasteful number, since it uses less digits than its factorization.

12698320449730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269832044980.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 12698320449730 in words is "twelve trillion, six hundred ninety-eight billion, three hundred twenty million, four hundred forty-nine thousand, seven hundred thirty".