12577226742 has 12 divisors (see below), whose sum is σ = 27250657980. Its totient is φ = 4192408908.

The previous prime is 12577226741. The next prime is 12577226747. The reversal of 12577226742 is 24762277521.

12577226742 is a `hidden beast` number, since 1 + 2 + 577 + 2 + 2 + 6 + 74 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12577226741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 349367392 + ... + 349367427.

It is an arithmetic number, because the mean of its divisors is an integer number (2270888165).

Almost surely, 2^12577226742 is an apocalyptic number.

12577226742 is an abundant number, since it is smaller than the sum of its proper divisors (14673431238).

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

12577226742 is a wasteful number, since it uses less digits than its factorization.

12577226742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698734827 (or 698734824 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The spelling of 12577226742 in words is "twelve billion, five hundred seventy-seven million, two hundred twenty-six thousand, seven hundred forty-two".