12799956069398 has 16 divisors (see below), whose sum is σ = 19206904757760. Its totient is φ = 6397654842600.

The previous prime is 12799956069379. The next prime is 12799956069437. The reversal of 12799956069398 is 89396065999721.

It is a congruent 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, 77128073 + ... + 77293851.

It is an arithmetic number, because the mean of its divisors is an integer number (1200431547360).

Almost surely, 2^{12799956069398} is an apocalyptic number.

12799956069398 is a deficient number, since it is larger than the sum of its proper divisors (6406948688362).

12799956069398 is a wasteful number, since it uses less digits than its factorization.

12799956069398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179563.

The product of its (nonzero) digits is 3571283520, while the sum is 83.

The spelling of 12799956069398 in words is "twelve trillion, seven hundred ninety-nine billion, nine hundred fifty-six million, sixty-nine thousand, three hundred ninety-eight".