12020221670205 has 16 divisors (see below), whose sum is σ = 21979833911424. Its totient is φ = 5494958477760.

The previous prime is 12020221670111. The next prime is 12020221670243. The reversal of 12020221670205 is 50207612202021.

It is not a de Polignac number, because 12020221670205 - 2⁸ = 12020221669949 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, 57239150706 + ... + 57239150915.

It is an arithmetic number, because the mean of its divisors is an integer number (1373739619464).

Almost surely, 2^{12020221670205} is an apocalyptic number.

12020221670205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12020221670205 is a deficient number, since it is larger than the sum of its proper divisors (9959612241219).

12020221670205 is a wasteful number, since it uses less digits than its factorization.

12020221670205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114478301636.

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 12020221670205 its reverse (50207612202021), we get a palindrome (62227833872226).

The spelling of 12020221670205 in words is "twelve trillion, twenty billion, two hundred twenty-one million, six hundred seventy thousand, two hundred five".