12012022205 has 16 divisors (see below), whose sum is σ = 15832782720. Its totient is φ = 8708027328.

The previous prime is 12012022199. The next prime is 12012022219. The reversal of 12012022205 is 50222021021.

It is a cyclic number.

It is not a de Polignac number, because 12012022205 - 2⁴ = 12012022189 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, 2746562 + ... + 2750931.

It is an arithmetic number, because the mean of its divisors is an integer number (989548920).

Almost surely, 2^12012022205 is an apocalyptic number.

It is an amenable number.

12012022205 is a deficient number, since it is larger than the sum of its proper divisors (3820760515).

12012022205 is a wasteful number, since it uses less digits than its factorization.

12012022205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497540.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 12012022205 its reverse (50222021021), we get a palindrome (62234043226).

The spelling of 12012022205 in words is "twelve billion, twelve million, twenty-two thousand, two hundred five".