12709186212945 has 8 divisors (see below), whose sum is σ = 20334697940736. Its totient is φ = 6778232646896.

The previous prime is 12709186212923. The next prime is 12709186212971. The reversal of 12709186212945 is 54921268190721.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12709186212945 - 2¹⁵ = 12709186180177 is a prime.

It is a super-2 number, since 2×12709186212945² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423639540417 + ... + 423639540446.

It is an arithmetic number, because the mean of its divisors is an integer number (2541837242592).

Almost surely, 2^{12709186212945} is an apocalyptic number.

12709186212945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12709186212945 is a deficient number, since it is larger than the sum of its proper divisors (7625511727791).

12709186212945 is an equidigital number, since it uses as much as digits as its factorization.

12709186212945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847279080871.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 12709186212945 in words is "twelve trillion, seven hundred nine billion, one hundred eighty-six million, two hundred twelve thousand, nine hundred forty-five".