12102112021001 has 4 divisors (see below), whose sum is σ = 12104015174400. Its totient is φ = 12100208867604.

The previous prime is 12102112020989. The next prime is 12102112021079. The reversal of 12102112021001 is 10012021120121.

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-12102112021001 is a prime.

It is a super-2 number, since 2×12102112021001² (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 (12102112021801) 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, 951567161 + ... + 951579878.

It is an arithmetic number, because the mean of its divisors is an integer number (3026003793600).

Almost surely, 2^{12102112021001} is an apocalyptic number.

It is an amenable number.

12102112021001 is a deficient number, since it is larger than the sum of its proper divisors (1903153399).

12102112021001 is an equidigital number, since it uses as much as digits as its factorization.

12102112021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903153398.

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

Adding to 12102112021001 its reverse (10012021120121), we get a palindrome (22114133141122).

The spelling of 12102112021001 in words is "twelve trillion, one hundred two billion, one hundred twelve million, twenty-one thousand, one".