12210011001 has 24 divisors (see below), whose sum is σ = 17943544320. Its totient is φ = 7998501600.

The previous prime is 12210010987. The next prime is 12210011041. The reversal of 12210011001 is 10011001221.

It is a happy number.

It is not a de Polignac number, because 12210011001 - 2¹³ = 12210002809 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 (12210011041) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1797231 + ... + 1804011.

It is an arithmetic number, because the mean of its divisors is an integer number (747647680).

Almost surely, 2^12210011001 is an apocalyptic number.

It is an amenable number.

12210011001 is a deficient number, since it is larger than the sum of its proper divisors (5733533319).

12210011001 is a wasteful number, since it uses less digits than its factorization.

12210011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10237 (or 10234 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12210011001 its reverse (10011001221), we get a palindrome (22221012222).

The spelling of 12210011001 in words is "twelve billion, two hundred ten million, eleven thousand, one".