12186748045 has 16 divisors (see below), whose sum is σ = 14676444288. Its totient is φ = 9714559680.

The previous prime is 12186748033. The next prime is 12186748103. The reversal of 12186748045 is 54084768121.

It is not a de Polignac number, because 12186748045 - 2¹⁷ = 12186616973 is a prime.

It is a super-2 number, since 2×12186748045² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12186747986 and 12186748004.

It is a congruent number.

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, 2032542 + ... + 2038528.

It is an arithmetic number, because the mean of its divisors is an integer number (917277768).

Almost surely, 2^12186748045 is an apocalyptic number.

It is an amenable number.

12186748045 is a deficient number, since it is larger than the sum of its proper divisors (2489696243).

12186748045 is an equidigital number, since it uses as much as digits as its factorization.

12186748045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380.

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 12186748045 in words is "twelve billion, one hundred eighty-six million, seven hundred forty-eight thousand, forty-five".