12005078662 has 16 divisors (see below), whose sum is σ = 18639194112. Its totient is φ = 5793069960.

The previous prime is 12005078653. The next prime is 12005078663. The reversal of 12005078662 is 26687050021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005078663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241048 + ... + 286555.

It is an arithmetic number, because the mean of its divisors is an integer number (1164949632).

Almost surely, 2^12005078662 is an apocalyptic number.

12005078662 is a deficient number, since it is larger than the sum of its proper divisors (6634115450).

12005078662 is a wasteful number, since it uses less digits than its factorization.

12005078662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528003.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 12005078662 in words is "twelve billion, five million, seventy-eight thousand, six hundred sixty-two".