12138056758 has 16 divisors (see below), whose sum is σ = 18800401536. Its totient is φ = 5871381120.

The previous prime is 12138056753. The next prime is 12138056759. The reversal of 12138056758 is 85765083121.

12138056758 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12138056753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175860 + ... + 234952.

It is an arithmetic number, because the mean of its divisors is an integer number (1175025096).

Almost surely, 2^12138056758 is an apocalyptic number.

12138056758 is a deficient number, since it is larger than the sum of its proper divisors (6662344778).

12138056758 is a wasteful number, since it uses less digits than its factorization.

12138056758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62439.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 12138056758 in words is "twelve billion, one hundred thirty-eight million, fifty-six thousand, seven hundred fifty-eight".