12212012101 has 16 divisors (see below), whose sum is σ = 13797388800. Its totient is φ = 10739547648.

The previous prime is 12212012093. The next prime is 12212012147. The reversal of 12212012101 is 10121021221.

It is a cyclic number.

It is not a de Polignac number, because 12212012101 - 2³ = 12212012093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212012161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235381 + ... + 282538.

It is an arithmetic number, because the mean of its divisors is an integer number (862336800).

Almost surely, 2^12212012101 is an apocalyptic number.

It is an amenable number.

12212012101 is a deficient number, since it is larger than the sum of its proper divisors (1585376699).

12212012101 is a wasteful number, since it uses less digits than its factorization.

12212012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518028.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12212012101 its reverse (10121021221), we get a palindrome (22333033322).

The spelling of 12212012101 in words is "twelve billion, two hundred twelve million, twelve thousand, one hundred one".