12100120012205 has 16 divisors (see below), whose sum is σ = 15293791286400. Its totient is φ = 9164959773120.

The previous prime is 12100120012193. The next prime is 12100120012241. The reversal of 12100120012205 is 50221002100121.

12100120012205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12100120012205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39133385 + ... + 39441374.

It is an arithmetic number, because the mean of its divisors is an integer number (955861955400).

Almost surely, 2^{12100120012205} is an apocalyptic number.

It is an amenable number.

12100120012205 is a deficient number, since it is larger than the sum of its proper divisors (3193671274195).

12100120012205 is a wasteful number, since it uses less digits than its factorization.

12100120012205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78576404.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 12100120012205 its reverse (50221002100121), we get a palindrome (62321122112326).

The spelling of 12100120012205 in words is "twelve trillion, one hundred billion, one hundred twenty million, twelve thousand, two hundred five".