12122110111010 has 32 divisors (see below), whose sum is σ = 22045139368560. Its totient is φ = 4798770020352.

The previous prime is 12122110110991. The next prime is 12122110111093. The reversal of 12122110111010 is 1011101122121.

It can be written as a sum of positive squares in 8 ways, for example, as 7384518197809 + 4737591913201 = 2717447^2 + 2176601^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103612226 + ... + 103729154.

Almost surely, 2^{12122110111010} is an apocalyptic number.

12122110111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122110111010 is a deficient number, since it is larger than the sum of its proper divisors (9923029257550).

12122110111010 is a wasteful number, since it uses less digits than its factorization.

12122110111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223910.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12122110111010 its reverse (1011101122121), we get a palindrome (13133211233131).

The spelling of 12122110111010 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, one hundred eleven thousand, ten".