12102112201 has 8 divisors (see below), whose sum is σ = 12815400744. Its totient is φ = 11388979200.

The previous prime is 12102112159. The next prime is 12102112219. The reversal of 12102112201 is 10221120121.

It can be written as a sum of positive squares in 4 ways, for example, as 3811827600 + 8290284601 = 61740^2 + 91051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12102112201 - 2⁹ = 12102111689 is a prime.

It is a super-2 number, since 2×12102112201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102112261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146641 + ... + 213793.

It is an arithmetic number, because the mean of its divisors is an integer number (1601925093).

Almost surely, 2^12102112201 is an apocalyptic number.

It is an amenable number.

12102112201 is a deficient number, since it is larger than the sum of its proper divisors (713288543).

12102112201 is a wasteful number, since it uses less digits than its factorization.

12102112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77771.

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

Adding to 12102112201 its reverse (10221120121), we get a palindrome (22323232322).

The spelling of 12102112201 in words is "twelve billion, one hundred two million, one hundred twelve thousand, two hundred one".