12100536654643 has 16 divisors (see below), whose sum is σ = 12355262402560. Its totient is φ = 11848225368384.

The previous prime is 12100536654629. The next prime is 12100536654653. The reversal of 12100536654643 is 34645663500121.

It is a cyclic number.

It is not a de Polignac number, because 12100536654643 - 2⁹ = 12100536654131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100536654593 and 12100536654602.

It is not an unprimeable number, because it can be changed into a prime (12100536654653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321265630 + ... + 321303292.

It is an arithmetic number, because the mean of its divisors is an integer number (772203900160).

Almost surely, 2^{12100536654643} is an apocalyptic number.

12100536654643 is a deficient number, since it is larger than the sum of its proper divisors (254725747917).

12100536654643 is a wasteful number, since it uses less digits than its factorization.

12100536654643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69538.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 12100536654643 in words is "twelve trillion, one hundred billion, five hundred thirty-six million, six hundred fifty-four thousand, six hundred forty-three".