12999956169184 has 24 divisors (see below), whose sum is σ = 25662279452040. Its totient is φ = 6482551863936.

The previous prime is 12999956169119. The next prime is 12999956169199. The reversal of 12999956169184 is 48196165999921.

It is a super-3 number, since 3×12999956169184³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544557274 + ... + 544581145.

It is an arithmetic number, because the mean of its divisors is an integer number (1069261643835).

Almost surely, 2^{12999956169184} is an apocalyptic number.

It is an amenable number.

12999956169184 is a deficient number, since it is larger than the sum of its proper divisors (12662323282856).

12999956169184 is a wasteful number, since it uses less digits than its factorization.

12999956169184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089138802 (or 1089138794 counting only the distinct ones).

The product of its digits is 680244480, while the sum is 79.

The spelling of 12999956169184 in words is "twelve trillion, nine hundred ninety-nine billion, nine hundred fifty-six million, one hundred sixty-nine thousand, one hundred eighty-four".