12180145846645 has 8 divisors (see below), whose sum is σ = 16704200018304. Its totient is φ = 8352100009104.

The previous prime is 12180145846619. The next prime is 12180145846669. The reversal of 12180145846645 is 54664854108121.

12180145846645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12180145846645 - 2²³ = 12180137458037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174002083489 + ... + 174002083558.

It is an arithmetic number, because the mean of its divisors is an integer number (2088025002288).

Almost surely, 2^{12180145846645} is an apocalyptic number.

It is an amenable number.

12180145846645 is a deficient number, since it is larger than the sum of its proper divisors (4524054171659).

12180145846645 is an equidigital number, since it uses as much as digits as its factorization.

12180145846645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348004167059.

The product of its (nonzero) digits is 7372800, while the sum is 55.

The spelling of 12180145846645 in words is "twelve trillion, one hundred eighty billion, one hundred forty-five million, eight hundred forty-six thousand, six hundred forty-five".