12100202205 has 64 divisors (see below), whose sum is σ = 23961692160. Its totient is φ = 5077391616.

The previous prime is 12100202171. The next prime is 12100202249. The reversal of 12100202205 is 50220200121.

It is not a de Polignac number, because 12100202205 - 2⁶ = 12100202141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 219574 + ... + 269096.

It is an arithmetic number, because the mean of its divisors is an integer number (374401440).

Almost surely, 2^12100202205 is an apocalyptic number.

12100202205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12100202205 is a deficient number, since it is larger than the sum of its proper divisors (11861489955).

12100202205 is a wasteful number, since it uses less digits than its factorization.

12100202205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49730.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 12100202205 its reverse (50220200121), we get a palindrome (62320402326).

The spelling of 12100202205 in words is "twelve billion, one hundred million, two hundred two thousand, two hundred five".