12110211221210 has 16 divisors (see below), whose sum is σ = 21799987163136. Its totient is φ = 4843727385168.

The previous prime is 12110211221189. The next prime is 12110211221219. The reversal of 12110211221210 is 1212211201121.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12110211221219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44495462 + ... + 44766801.

It is an arithmetic number, because the mean of its divisors is an integer number (1362499197696).

Almost surely, 2^{12110211221210} is an apocalyptic number.

12110211221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12110211221210 is a deficient number, since it is larger than the sum of its proper divisors (9689775941926).

12110211221210 is a wasteful number, since it uses less digits than its factorization.

12110211221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89275837.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12110211221210 its reverse (1212211201121), we get a palindrome (13322422422331).

The spelling of 12110211221210 in words is "twelve trillion, one hundred ten billion, two hundred eleven million, two hundred twenty-one thousand, two hundred ten".