12530311346 has 16 divisors (see below), whose sum is σ = 22744094976. Its totient is φ = 5054243136.

The previous prime is 12530311333. The next prime is 12530311361. The reversal of 12530311346 is 64311303521.

12530311346 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26323946 + ... + 26324421.

It is an arithmetic number, because the mean of its divisors is an integer number (1421505936).

Almost surely, 2^12530311346 is an apocalyptic number.

12530311346 is a deficient number, since it is larger than the sum of its proper divisors (10213783630).

12530311346 is a wasteful number, since it uses less digits than its factorization.

12530311346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52648393.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 12530311346 its reverse (64311303521), we get a palindrome (76841614867).

The spelling of 12530311346 in words is "twelve billion, five hundred thirty million, three hundred eleven thousand, three hundred forty-six".