12212102001 has 32 divisors (see below), whose sum is σ = 17957744640. Its totient is φ = 7320312000.

The previous prime is 12212101969. The next prime is 12212102003. The reversal of 12212102001 is 10020121221.

It is not a de Polignac number, because 12212102001 - 2⁵ = 12212101969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12212102003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5861706 + ... + 5863788.

It is an arithmetic number, because the mean of its divisors is an integer number (561179520).

Almost surely, 2^12212102001 is an apocalyptic number.

12212102001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12212102001 is a deficient number, since it is larger than the sum of its proper divisors (5745642639).

12212102001 is a wasteful number, since it uses less digits than its factorization.

12212102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12212102001 its reverse (10020121221), we get a palindrome (22232223222).

The spelling of 12212102001 in words is "twelve billion, two hundred twelve million, one hundred two thousand, one".