12120122011101 has 32 divisors (see below), whose sum is σ = 18319927866240. Its totient is φ = 7065706235904.

The previous prime is 12120122011093. The next prime is 12120122011111. The reversal of 12120122011101 is 10111022102121.

It is a happy number.

It is not a de Polignac number, because 12120122011101 - 2³ = 12120122011093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120122011111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19506241 + ... + 20117993.

It is an arithmetic number, because the mean of its divisors is an integer number (572497745820).

Almost surely, 2^{12120122011101} is an apocalyptic number.

It is an amenable number.

12120122011101 is a deficient number, since it is larger than the sum of its proper divisors (6199805855139).

12120122011101 is a wasteful number, since it uses less digits than its factorization.

12120122011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638525.

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

Adding to 12120122011101 its reverse (10111022102121), we get a palindrome (22231144113222).

The spelling of 12120122011101 in words is "twelve trillion, one hundred twenty billion, one hundred twenty-two million, eleven thousand, one hundred one".