122201312312 has 48 divisors (see below), whose sum is σ = 235008378000. Its totient is φ = 59570722176.

The previous prime is 122201312243. The next prime is 122201312341. The reversal of 122201312312 is 213213102221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8409389 + ... + 8423907.

It is an arithmetic number, because the mean of its divisors is an integer number (4896007875).

Almost surely, 2^122201312312 is an apocalyptic number.

It is an amenable number.

122201312312 is a deficient number, since it is larger than the sum of its proper divisors (112807065688).

122201312312 is a wasteful number, since it uses less digits than its factorization.

122201312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15180 (or 15133 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122201312312 its reverse (213213102221), we get a palindrome (335414414533).

The spelling of 122201312312 in words is "one hundred twenty-two billion, two hundred one million, three hundred twelve thousand, three hundred twelve".