12627556242 has 64 divisors (see below), whose sum is σ = 30647994624. Its totient is φ = 3385958400.

The previous prime is 12627556231. The next prime is 12627556267. The reversal of 12627556242 is 24265572621.

12627556242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 12627556194 and 12627556203.

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 31 ways as a sum of consecutive naturals, for example, 226992 + ... + 277092.

It is an arithmetic number, because the mean of its divisors is an integer number (478874916).

Almost surely, 2^12627556242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12627556242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15323997312).

12627556242 is an abundant number, since it is smaller than the sum of its proper divisors (18020438382).

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

12627556242 is a wasteful number, since it uses less digits than its factorization.

12627556242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50483.

The product of its digits is 403200, while the sum is 42.

The spelling of 12627556242 in words is "twelve billion, six hundred twenty-seven million, five hundred fifty-six thousand, two hundred forty-two".