12122120020210 has 16 divisors (see below), whose sum is σ = 21821838643800. Its totient is φ = 4848398539776.

The previous prime is 12122120020147. The next prime is 12122120020229. The reversal of 12122120020210 is 1202002122121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6832060220041 + 5290059800169 = 2613821^2 + 2300013^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56070255 + ... + 56286034.

Almost surely, 2^{12122120020210} is an apocalyptic number.

12122120020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122120020210 is a deficient number, since it is larger than the sum of its proper divisors (9699718623590).

12122120020210 is a wasteful number, since it uses less digits than its factorization.

12122120020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112367085.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122120020210 its reverse (1202002122121), we get a palindrome (13324122142331).

The spelling of 12122120020210 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty million, twenty thousand, two hundred ten".