12256550140067 has 16 divisors (see below), whose sum is σ = 13416226905312. Its totient is φ = 11151149506560.

The previous prime is 12256550140057. The next prime is 12256550140139. The reversal of 12256550140067 is 76004105565221.

It is a cyclic number.

It is not a de Polignac number, because 12256550140067 - 2⁸ = 12256550139811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12256550140057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86356034 + ... + 86497847.

It is an arithmetic number, because the mean of its divisors is an integer number (838514181582).

Almost surely, 2^{12256550140067} is an apocalyptic number.

12256550140067 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12256550140067 is a deficient number, since it is larger than the sum of its proper divisors (1159676765245).

12256550140067 is a wasteful number, since it uses less digits than its factorization.

12256550140067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172854038.

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 12256550140067 in words is "twelve trillion, two hundred fifty-six billion, five hundred fifty million, one hundred forty thousand, sixty-seven".