12177004354545 has 16 divisors (see below), whose sum is σ = 19488699921600. Its totient is φ = 6492571337664.

The previous prime is 12177004354519. The next prime is 12177004354561. The reversal of 12177004354545 is 54545340077121.

It is a happy number.

12177004354545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12177004354545 - 2²⁰ = 12177003305969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12177004354494 and 12177004354503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114381570 + ... + 114487979.

It is an arithmetic number, because the mean of its divisors is an integer number (1218043745100).

Almost surely, 2^{12177004354545} is an apocalyptic number.

12177004354545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12177004354545 is a deficient number, since it is larger than the sum of its proper divisors (7311695567055).

12177004354545 is a wasteful number, since it uses less digits than its factorization.

12177004354545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228873104.

The product of its (nonzero) digits is 2352000, while the sum is 48.

The spelling of 12177004354545 in words is "twelve trillion, one hundred seventy-seven billion, four million, three hundred fifty-four thousand, five hundred forty-five".