12660303105 has 32 divisors (see below), whose sum is σ = 22574073600. Its totient is φ = 6732101376.

The previous prime is 12660303101. The next prime is 12660303107. The reversal of 12660303105 is 50130306621.

12660303105 is a `hidden beast` number, since 1 + 26 + 603 + 0 + 31 + 0 + 5 = 666.

It is not a de Polignac number, because 12660303105 - 2² = 12660303101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12660303101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93645 + ... + 184634.

It is an arithmetic number, because the mean of its divisors is an integer number (705439800).

Almost surely, 2^12660303105 is an apocalyptic number.

12660303105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12660303105 is a deficient number, since it is larger than the sum of its proper divisors (9913770495).

12660303105 is a wasteful number, since it uses less digits than its factorization.

12660303105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278630 (or 278624 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 12660303105 its reverse (50130306621), we get a palindrome (62790609726).

The spelling of 12660303105 in words is "twelve billion, six hundred sixty million, three hundred three thousand, one hundred five".