12122111210 has 16 divisors (see below), whose sum is σ = 23803418592. Its totient is φ = 4408040400.

The previous prime is 12122111179. The next prime is 12122111219. The reversal of 12122111210 is 1211122121.

12122111210 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12122111219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 55100396 + ... + 55100615.

It is an arithmetic number, because the mean of its divisors is an integer number (1487713662).

Almost surely, 2^12122111210 is an apocalyptic number.

12122111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122111210 is a deficient number, since it is larger than the sum of its proper divisors (11681307382).

12122111210 is a wasteful number, since it uses less digits than its factorization.

12122111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110201029.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12122111210 its reverse (1211122121), we get a palindrome (13333233331).

The spelling of 12122111210 in words is "twelve billion, one hundred twenty-two million, one hundred eleven thousand, two hundred ten".