12040456655 has 8 divisors (see below), whose sum is σ = 15208998000. Its totient is φ = 9125398656.

The previous prime is 12040456651. The next prime is 12040456661. The reversal of 12040456655 is 55665404021.

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

It is a cyclic number.

It is not a de Polignac number, because 12040456655 - 2² = 12040456651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040456651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63370730 + ... + 63370919.

It is an arithmetic number, because the mean of its divisors is an integer number (1901124750).

Almost surely, 2^12040456655 is an apocalyptic number.

12040456655 is a deficient number, since it is larger than the sum of its proper divisors (3168541345).

12040456655 is a wasteful number, since it uses less digits than its factorization.

12040456655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126741673.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 12040456655 in words is "twelve billion, forty million, four hundred fifty-six thousand, six hundred fifty-five".