122201211204 has 18 divisors (see below), whose sum is σ = 308897506190. Its totient is φ = 40733737056.

The previous prime is 122201211199. The next prime is 122201211233. The reversal of 122201211204 is 402112102221.

It can be written as a sum of positive squares in only one way, i.e., 98534465604 + 23666745600 = 313902^2 + 153840^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1697239009 + ... + 1697239080.

Almost surely, 2^122201211204 is an apocalyptic number.

It is an amenable number.

122201211204 is an abundant number, since it is smaller than the sum of its proper divisors (186696294986).

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

122201211204 is a wasteful number, since it uses less digits than its factorization.

122201211204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394478099 (or 3394478094 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122201211204 its reverse (402112102221), we get a palindrome (524313313425).

The spelling of 122201211204 in words is "one hundred twenty-two billion, two hundred one million, two hundred eleven thousand, two hundred four".