12112221201001 has 16 divisors (see below), whose sum is σ = 12656936505600. Its totient is φ = 11569022676288.

The previous prime is 12112221200977. The next prime is 12112221201019. The reversal of 12112221201001 is 10010212221121.

It is a cyclic number.

It is not a de Polignac number, because 12112221201001 - 2¹⁷ = 12112221069929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112221201061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62405215 + ... + 62599003.

It is an arithmetic number, because the mean of its divisors is an integer number (791058531600).

Almost surely, 2^{12112221201001} is an apocalyptic number.

It is an amenable number.

12112221201001 is a deficient number, since it is larger than the sum of its proper divisors (544715304599).

12112221201001 is a wasteful number, since it uses less digits than its factorization.

12112221201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197688.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12112221201001 its reverse (10010212221121), we get a palindrome (22122433422122).

The spelling of 12112221201001 in words is "twelve trillion, one hundred twelve billion, two hundred twenty-one million, two hundred one thousand, one".