12022100001000 has 256 divisors, whose sum is σ = 44128180512000. Its totient is φ = 3017311257600.

The previous prime is 12022100000993. The next prime is 12022100001001. The reversal of 12022100001000 is 10000122021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12022100001001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12636970 + ... + 13554969.

It is an arithmetic number, because the mean of its divisors is an integer number (172375705125).

Almost surely, 2^{12022100001000} is an apocalyptic number.

12022100001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022100001000 is an abundant number, since it is smaller than the sum of its proper divisors (32106080511000).

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

12022100001000 is a wasteful number, since it uses less digits than its factorization.

12022100001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26191986 (or 26191966 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12022100001000 its reverse (10000122021), we get a palindrome (12032100123021).

The spelling of 12022100001000 in words is "twelve trillion, twenty-two billion, one hundred million, one thousand".