12739855742126 has 8 divisors (see below), whose sum is σ = 19109923138080. Its totient is φ = 6369881362768.

The previous prime is 12739855742101. The next prime is 12739855742191. The reversal of 12739855742126 is 62124755893721.

It is a happy number.

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

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, 22910726 + ... + 23460201.

It is an arithmetic number, because the mean of its divisors is an integer number (2388740392260).

Almost surely, 2^{12739855742126} is an apocalyptic number.

12739855742126 is a deficient number, since it is larger than the sum of its proper divisors (6370067395954).

12739855742126 is a wasteful number, since it uses less digits than its factorization.

12739855742126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46508298.

The product of its digits is 50803200, while the sum is 62.

The spelling of 12739855742126 in words is "twelve trillion, seven hundred thirty-nine billion, eight hundred fifty-five million, seven hundred forty-two thousand, one hundred twenty-six".