12201100121022 has 32 divisors (see below), whose sum is σ = 24629936522400. Its totient is φ = 4029089033088.

The previous prime is 12201100120999. The next prime is 12201100121051. The reversal of 12201100121022 is 22012100110221.

It is a junction number, because it is equal to n+sod(n) for n = 12201100120992 and 12201100121010.

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 in 15 ways as a sum of consecutive naturals, for example, 2718388 + ... + 5638424.

It is an arithmetic number, because the mean of its divisors is an integer number (769685516325).

Almost surely, 2^{12201100121022} is an apocalyptic number.

12201100121022 is an abundant number, since it is smaller than the sum of its proper divisors (12428836401378).

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

12201100121022 is a wasteful number, since it uses less digits than its factorization.

12201100121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926540.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12201100121022 its reverse (22012100110221), we get a palindrome (34213200231243).

The spelling of 12201100121022 in words is "twelve trillion, two hundred one billion, one hundred million, one hundred twenty-one thousand, twenty-two".