12100210212001 has 4 divisors (see below), whose sum is σ = 12100905923652. Its totient is φ = 12099514500352.

The previous prime is 12100210211963. The next prime is 12100210212019. The reversal of 12100210212001 is 10021201200121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4700852741025 + 7399357470976 = 2168145^2 + 2720176^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100210212001 - 2²⁷ = 12100075994273 is a prime.

It is a super-2 number, since 2×12100210212001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100210212901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347829736 + ... + 347864521.

It is an arithmetic number, because the mean of its divisors is an integer number (3025226480913).

Almost surely, 2^{12100210212001} is an apocalyptic number.

It is an amenable number.

12100210212001 is a deficient number, since it is larger than the sum of its proper divisors (695711651).

12100210212001 is an equidigital number, since it uses as much as digits as its factorization.

12100210212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695711650.

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

Adding to 12100210212001 its reverse (10021201200121), we get a palindrome (22121411412122).

The spelling of 12100210212001 in words is "twelve trillion, one hundred billion, two hundred ten million, two hundred twelve thousand, one".