12427146556 has 12 divisors (see below), whose sum is σ = 23724552600. Its totient is φ = 5648702960.

The previous prime is 12427146551. The next prime is 12427146619. The reversal of 12427146556 is 65564172421.

It is a super-2 number, since 2×12427146556² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427146551) 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 3 ways as a sum of consecutive naturals, for example, 141217531 + ... + 141217618.

It is an arithmetic number, because the mean of its divisors is an integer number (1977046050).

Almost surely, 2^12427146556 is an apocalyptic number.

It is an amenable number.

12427146556 is a deficient number, since it is larger than the sum of its proper divisors (11297406044).

12427146556 is a wasteful number, since it uses less digits than its factorization.

12427146556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282435164 (or 282435162 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The spelling of 12427146556 in words is "twelve billion, four hundred twenty-seven million, one hundred forty-six thousand, five hundred fifty-six".