12201000022122 has 8 divisors (see below), whose sum is σ = 24402000044256. Its totient is φ = 4067000007372.

The previous prime is 12201000022087. The next prime is 12201000022129. The reversal of 12201000022122 is 22122000010221.

It is a sphenic number, since it is the product of 3 distinct primes.

12201000022122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12201000022129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016750001838 + ... + 1016750001849.

It is an arithmetic number, because the mean of its divisors is an integer number (3050250005532).

Almost surely, 2^{12201000022122} is an apocalyptic number.

12201000022122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12201000022122 is a wasteful number, since it uses less digits than its factorization.

12201000022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033500003692.

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

Adding to 12201000022122 its reverse (22122000010221), we get a palindrome (34323000032343).

The spelling of 12201000022122 in words is "twelve trillion, two hundred one billion, twenty-two thousand, one hundred twenty-two".