12066345441218 has 16 divisors (see below), whose sum is σ = 19164458064024. Its totient is φ = 5678202470400.

The previous prime is 12066345441173. The next prime is 12066345441223. The reversal of 12066345441218 is 81214454366021.

It can be written as a sum of positive squares in 4 ways, for example, as 9551542570249 + 2514802870969 = 3090557^2 + 1585813^2 .

It is a super-2 number, since 2×12066345441218² (a number of 27 digits) contains 22 as substring.

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, 129818 + ... + 4914218.

Almost surely, 2^{12066345441218} is an apocalyptic number.

12066345441218 is a deficient number, since it is larger than the sum of its proper divisors (7098112622806).

12066345441218 is a wasteful number, since it uses less digits than its factorization.

12066345441218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858597.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 12066345441218 in words is "twelve trillion, sixty-six billion, three hundred forty-five million, four hundred forty-one thousand, two hundred eighteen".