12022100001 has 16 divisors (see below), whose sum is σ = 18858196800. Its totient is φ = 7543278144.

The previous prime is 12022099979. The next prime is 12022100009. The reversal of 12022100001 is 10000122021.

It is not a de Polignac number, because 12022100001 - 2²¹ = 12020002849 is a prime.

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 (12022100009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13095511 + ... + 13096428.

It is an arithmetic number, because the mean of its divisors is an integer number (1178637300).

Almost surely, 2^12022100001 is an apocalyptic number.

It is an amenable number.

12022100001 is a deficient number, since it is larger than the sum of its proper divisors (6836096799).

12022100001 is a wasteful number, since it uses less digits than its factorization.

12022100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26191965 (or 26191959 counting only the distinct ones).

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

Adding to 12022100001 its reverse (10000122021), we get a palindrome (22022222022).

The spelling of 12022100001 in words is "twelve billion, twenty-two million, one hundred thousand, one".