12112112211001 has 8 divisors (see below), whose sum is σ = 13213383357600. Its totient is φ = 11010869403840.

The previous prime is 12112112210983. The next prime is 12112112211013. The reversal of 12112112211001 is 10011221121121.

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 12112112211001 - 2¹⁵ = 12112112178233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112112211091) 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, 6186256 + ... + 7905313.

It is an arithmetic number, because the mean of its divisors is an integer number (1651672919700).

Almost surely, 2^{12112112211001} is an apocalyptic number.

12112112211001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12112112211001 is a deficient number, since it is larger than the sum of its proper divisors (1101271146599).

12112112211001 is a wasteful number, since it uses less digits than its factorization.

12112112211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14169719.

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

Adding to 12112112211001 its reverse (10011221121121), we get a palindrome (22123333332122).

The spelling of 12112112211001 in words is "twelve trillion, one hundred twelve billion, one hundred twelve million, two hundred eleven thousand, one".