12227779629 has 16 divisors (see below), whose sum is σ = 19508708800. Its totient is φ = 7524787248.

The previous prime is 12227779609. The next prime is 12227779633. The reversal of 12227779629 is 92697772221.

It is a happy number.

12227779629 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 7 + 7 + 7 + 9 + 629 = 666.

12227779629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12227779629 - 2⁸ = 12227779373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227779609) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17418139 + ... + 17418840.

It is an arithmetic number, because the mean of its divisors is an integer number (1219294300).

Almost surely, 2^12227779629 is an apocalyptic number.

It is an amenable number.

12227779629 is a deficient number, since it is larger than the sum of its proper divisors (7280929171).

12227779629 is a wasteful number, since it uses less digits than its factorization.

12227779629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34837001 (or 34836995 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The spelling of 12227779629 in words is "twelve billion, two hundred twenty-seven million, seven hundred seventy-nine thousand, six hundred twenty-nine".