12201022122 has 64 divisors (see below), whose sum is σ = 25209999360. Its totient is φ = 3935131200.

The previous prime is 12201022117. The next prime is 12201022133. The reversal of 12201022122 is 22122010221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6090373 + ... + 6092375.

It is an arithmetic number, because the mean of its divisors is an integer number (393906240).

Almost surely, 2^12201022122 is an apocalyptic number.

12201022122 is an abundant number, since it is smaller than the sum of its proper divisors (13008977238).

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

12201022122 is a wasteful number, since it uses less digits than its factorization.

12201022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12201022122 its reverse (22122010221), we get a palindrome (34323032343).

It can be divided in two parts, 122010221 and 22, that multiplied together give a palindrome (2684224862).

The spelling of 12201022122 in words is "twelve billion, two hundred one million, twenty-two thousand, one hundred twenty-two".