12626451342 has 128 divisors (see below), whose sum is σ = 29520691200. Its totient is φ = 3995503200.

The previous prime is 12626451287. The next prime is 12626451359. The reversal of 12626451342 is 24315462621.

12626451342 is a `hidden beast` number, since 1 + 2 + 6 + 2 + 645 + 1 + 3 + 4 + 2 = 666.

12626451342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12626451297 and 12626451306.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 40599367 + ... + 40599677.

It is an arithmetic number, because the mean of its divisors is an integer number (230630400).

Almost surely, 2^12626451342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12626451342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14760345600).

12626451342 is an abundant number, since it is smaller than the sum of its proper divisors (16894239858).

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

12626451342 is a wasteful number, since it uses less digits than its factorization.

12626451342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 733 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The spelling of 12626451342 in words is "twelve billion, six hundred twenty-six million, four hundred fifty-one thousand, three hundred forty-two".