12739278085462 has 8 divisors (see below), whose sum is σ = 19122308104536. Its totient is φ = 6365175383952.

The previous prime is 12739278085361. The next prime is 12739278085543. The reversal of 12739278085462 is 26458087293721.

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

It is a super-2 number, since 2×12739278085462² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12739278085394 and 12739278085403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2231825823 + ... + 2231831530.

It is an arithmetic number, because the mean of its divisors is an integer number (2390288513067).

It is a 1-persistent number, because it is pandigital, but 2⋅12739278085462 = 25478556170924 is not.

Almost surely, 2^{12739278085462} is an apocalyptic number.

12739278085462 is a deficient number, since it is larger than the sum of its proper divisors (6383030019074).

12739278085462 is a wasteful number, since it uses less digits than its factorization.

12739278085462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463658782.

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 12739278085462 in words is "twelve trillion, seven hundred thirty-nine billion, two hundred seventy-eight million, eighty-five thousand, four hundred sixty-two".