12736439078170 has 16 divisors (see below), whose sum is σ = 23922355138560. Its totient is φ = 4873072342864.

The previous prime is 12736439078161. The next prime is 12736439078203. The reversal of 12736439078170 is 7187093463721.

It is a happy number.

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, 27687910810 + ... + 27687911269.

It is an arithmetic number, because the mean of its divisors is an integer number (1495147196160).

Almost surely, 2^{12736439078170} is an apocalyptic number.

12736439078170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12736439078170 is a deficient number, since it is larger than the sum of its proper divisors (11185916060390).

12736439078170 is a wasteful number, since it uses less digits than its factorization.

12736439078170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55375822109.

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 12736439078170 in words is "twelve trillion, seven hundred thirty-six billion, four hundred thirty-nine million, seventy-eight thousand, one hundred seventy".