12654465603552 has 72 divisors (see below), whose sum is σ = 36206910538344. Its totient is φ = 4192276932864.

The previous prime is 12654465603541. The next prime is 12654465603553. The reversal of 12654465603552 is 25530656445621.

12654465603552 is a `hidden beast` number, since 1 + 2 + 6 + 5 + 4 + 46 + 560 + 35 + 5 + 2 = 666.

12654465603552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×12654465603552² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12654465603553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134735623 + ... + 134829510.

It is an arithmetic number, because the mean of its divisors is an integer number (502873757477).

Almost surely, 2^{12654465603552} is an apocalyptic number.

12654465603552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12654465603552 is an abundant number, since it is smaller than the sum of its proper divisors (23552444934792).

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

12654465603552 is a wasteful number, since it uses less digits than its factorization.

12654465603552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269565312 (or 269565301 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 54.

The spelling of 12654465603552 in words is "twelve trillion, six hundred fifty-four billion, four hundred sixty-five million, six hundred three thousand, five hundred fifty-two".