12066506446 has 8 divisors (see below), whose sum is σ = 18265812840. Its totient is φ = 5977902168.

The previous prime is 12066506411. The next prime is 12066506471. The reversal of 12066506446 is 64460566021.

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

It is a super-2 number, since 2×12066506446² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12066506399 and 12066506408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27675256 + ... + 27675691.

It is an arithmetic number, because the mean of its divisors is an integer number (2283226605).

Almost surely, 2^12066506446 is an apocalyptic number.

12066506446 is a deficient number, since it is larger than the sum of its proper divisors (6199306394).

12066506446 is a wasteful number, since it uses less digits than its factorization.

12066506446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55351058.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 12066506446 in words is "twelve billion, sixty-six million, five hundred six thousand, four hundred forty-six".