122204411636 has 6 divisors (see below), whose sum is σ = 213857720370. Its totient is φ = 61102205816.

The previous prime is 122204411629. The next prime is 122204411663. The reversal of 122204411636 is 636114402221.

It can be written as a sum of positive squares in only one way, i.e., 118263083236 + 3941328400 = 343894^2 + 62780^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15275551451 + ... + 15275551458.

It is an arithmetic number, because the mean of its divisors is an integer number (35642953395).

Almost surely, 2^122204411636 is an apocalyptic number.

It is an amenable number.

122204411636 is a deficient number, since it is larger than the sum of its proper divisors (91653308734).

122204411636 is a wasteful number, since it uses less digits than its factorization.

122204411636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30551102913 (or 30551102911 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 122204411636 its reverse (636114402221), we get a palindrome (758318813857).

The spelling of 122204411636 in words is "one hundred twenty-two billion, two hundred four million, four hundred eleven thousand, six hundred thirty-six".