12201020122000 has 160 divisors (see below), whose sum is σ = 31963939248384. Its totient is φ = 4486503168000.

The previous prime is 12201020121907. The next prime is 12201020122003. The reversal of 12201020122000 is 22102010221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12201020122003) by changing a digit.

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, 2710716 + ... + 5634715.

Almost surely, 2^{12201020122000} is an apocalyptic number.

12201020122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201020122000 is an abundant number, since it is smaller than the sum of its proper divisors (19762919126384).

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

12201020122000 is a wasteful number, since it uses less digits than its factorization.

12201020122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345514 (or 8345498 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12201020122000 its reverse (22102010221), we get a palindrome (12223122132221).

The spelling of 12201020122000 in words is "twelve trillion, two hundred one billion, twenty million, one hundred twenty-two thousand".