12102011212001 has 4 divisors (see below), whose sum is σ = 12102947985600. Its totient is φ = 12101074438404.

The previous prime is 12102011211989. The next prime is 12102011212037. The reversal of 12102011212001 is 10021211020121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12102011212001 is a prime.

It is a super-3 number, since 3×12102011212001³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12102011212061) 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, 468367421 + ... + 468393258.

It is an arithmetic number, because the mean of its divisors is an integer number (3025736996400).

Almost surely, 2^{12102011212001} is an apocalyptic number.

It is an amenable number.

12102011212001 is a deficient number, since it is larger than the sum of its proper divisors (936773599).

12102011212001 is an equidigital number, since it uses as much as digits as its factorization.

12102011212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936773598.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12102011212001 its reverse (10021211020121), we get a palindrome (22123222232122).

The spelling of 12102011212001 in words is "twelve trillion, one hundred two billion, eleven million, two hundred twelve thousand, one".