12620457069698 has 8 divisors (see below), whose sum is σ = 18930979875708. Its totient is φ = 6310130444464.

The previous prime is 12620457069683. The next prime is 12620457069713. The reversal of 12620457069698 is 89696075402621.

It is an interprime number because it is at equal distance from previous prime (12620457069683) and next prime (12620457069713).

It can be written as a sum of positive squares in 2 ways, for example, as 12021732414169 + 598724655529 = 3467237^2 + 773773^2 .

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

It is a super-2 number, since 2×12620457069698² (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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48884261 + ... + 49141752.

Almost surely, 2^{12620457069698} is an apocalyptic number.

12620457069698 is a deficient number, since it is larger than the sum of its proper divisors (6310522806010).

12620457069698 is an equidigital number, since it uses as much as digits as its factorization.

12620457069698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98090388.

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 12620457069698 in words is "twelve trillion, six hundred twenty billion, four hundred fifty-seven million, sixty-nine thousand, six hundred ninety-eight".