12066661116502 has 16 divisors (see below), whose sum is σ = 18724581696960. Its totient is φ = 5825143937088.

The previous prime is 12066661116469. The next prime is 12066661116557. The reversal of 12066661116502 is 20561116666021.

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, 71598 + ... + 4913089.

It is an arithmetic number, because the mean of its divisors is an integer number (1170286356060).

Almost surely, 2^{12066661116502} is an apocalyptic number.

12066661116502 is a deficient number, since it is larger than the sum of its proper divisors (6657920580458).

12066661116502 is a wasteful number, since it uses less digits than its factorization.

12066661116502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5026455.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 12066661116502 in words is "twelve trillion, sixty-six billion, six hundred sixty-one million, one hundred sixteen thousand, five hundred two".