12655331334 has 24 divisors (see below), whose sum is σ = 28160964000. Its totient is φ = 4104431568.

The previous prime is 12655331317. The next prime is 12655331347. The reversal of 12655331334 is 43313355621.

12655331334 is a `hidden beast` number, since 1 + 265 + 53 + 313 + 34 = 666.

It is a super-2 number, since 2×12655331334² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9500334 + ... + 9501665.

It is an arithmetic number, because the mean of its divisors is an integer number (1173373500).

Almost surely, 2^12655331334 is an apocalyptic number.

12655331334 is an abundant number, since it is smaller than the sum of its proper divisors (15505632666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12655331334 is a wasteful number, since it uses less digits than its factorization.

12655331334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19002044 (or 19002041 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

Adding to 12655331334 its reverse (43313355621), we get a palindrome (55968686955).

The spelling of 12655331334 in words is "twelve billion, six hundred fifty-five million, three hundred thirty-one thousand, three hundred thirty-four".