12122101021210 has 64 divisors (see below), whose sum is σ = 22866409797120. Its totient is φ = 4621010284800.

The previous prime is 12122101021207. The next prime is 12122101021243. The reversal of 12122101021210 is 1212010122121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5993427 + ... + 7756633.

It is an arithmetic number, because the mean of its divisors is an integer number (357287653080).

Almost surely, 2^{12122101021210} is an apocalyptic number.

12122101021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122101021210 is a deficient number, since it is larger than the sum of its proper divisors (10744308775910).

12122101021210 is a wasteful number, since it uses less digits than its factorization.

12122101021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763551.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12122101021210 its reverse (1212010122121), we get a palindrome (13334111143331).

The spelling of 12122101021210 in words is "twelve trillion, one hundred twenty-two billion, one hundred one million, twenty-one thousand, two hundred ten".