122636223436 has 6 divisors (see below), whose sum is σ = 214613391020. Its totient is φ = 61318111716.

The previous prime is 122636223433. The next prime is 122636223469. The reversal of 122636223436 is 634322636221.

It is not an unprimeable number, because it can be changed into a prime (122636223431) 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 as a sum of consecutive naturals, namely, 15329527926 + ... + 15329527933.

Almost surely, 2^122636223436 is an apocalyptic number.

It is an amenable number.

122636223436 is a deficient number, since it is larger than the sum of its proper divisors (91977167584).

122636223436 is a wasteful number, since it uses less digits than its factorization.

122636223436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30659055863 (or 30659055861 counting only the distinct ones).

The product of its digits is 373248, while the sum is 40.

Adding to 122636223436 its reverse (634322636221), we get a palindrome (756958859657).

The spelling of 122636223436 in words is "one hundred twenty-two billion, six hundred thirty-six million, two hundred twenty-three thousand, four hundred thirty-six".