12101210112201 has 128 divisors (see below), whose sum is σ = 21186958233600. Its totient is φ = 5978129080320.

The previous prime is 12101210112181. The next prime is 12101210112209. The reversal of 12101210112201 is 10221101210121.

It is a happy number.

It is not a de Polignac number, because 12101210112201 - 2⁶ = 12101210112137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12101210112209) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29007271 + ... + 29421491.

It is an arithmetic number, because the mean of its divisors is an integer number (165523111200).

Almost surely, 2^{12101210112201} is an apocalyptic number.

It is an amenable number.

12101210112201 is a deficient number, since it is larger than the sum of its proper divisors (9085748121399).

12101210112201 is a wasteful number, since it uses less digits than its factorization.

12101210112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414399.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12101210112201 its reverse (10221101210121), we get a palindrome (22322311322322).

The spelling of 12101210112201 in words is "twelve trillion, one hundred one billion, two hundred ten million, one hundred twelve thousand, two hundred one".