12121222010110 has 64 divisors (see below), whose sum is σ = 22079377172160. Its totient is φ = 4790654668800.

The previous prime is 12121222010063. The next prime is 12121222010159. The reversal of 12121222010110 is 1101022212121.

It is a congruent number.

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, 1569492709 + ... + 1569500431.

It is an arithmetic number, because the mean of its divisors is an integer number (344990268315).

Almost surely, 2^{12121222010110} is an apocalyptic number.

12121222010110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121222010110 is a deficient number, since it is larger than the sum of its proper divisors (9958155162050).

12121222010110 is a wasteful number, since it uses less digits than its factorization.

12121222010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10813.

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

Adding to 12121222010110 its reverse (1101022212121), we get a palindrome (13222244222231).

The spelling of 12121222010110 in words is "twelve trillion, one hundred twenty-one billion, two hundred twenty-two million, ten thousand, one hundred ten".