12403276272065 has 192 divisors, whose sum is σ = 18342464878080. Its totient is φ = 8019648000000.

The previous prime is 12403276272029. The next prime is 12403276272089. The reversal of 12403276272065 is 56027267230421.

It is not a de Polignac number, because 12403276272065 - 2³⁴ = 12386096402881 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 13496491676 + ... + 13496492594.

It is an arithmetic number, because the mean of its divisors is an integer number (95533671240).

Almost surely, 2^{12403276272065} is an apocalyptic number.

It is an amenable number.

12403276272065 is a deficient number, since it is larger than the sum of its proper divisors (5939188606015).

12403276272065 is a wasteful number, since it uses less digits than its factorization.

12403276272065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 12403276272065 in words is "twelve trillion, four hundred three billion, two hundred seventy-six million, two hundred seventy-two thousand, sixty-five".