12012111122110 has 16 divisors (see below), whose sum is σ = 23587418203632. Its totient is φ = 4368040408000.

The previous prime is 12012111122087. The next prime is 12012111122191. The reversal of 12012111122110 is 1122111121021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54600504991 + ... + 54600505210.

It is an arithmetic number, because the mean of its divisors is an integer number (1474213637727).

Almost surely, 2^{12012111122110} is an apocalyptic number.

12012111122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012111122110 is a deficient number, since it is larger than the sum of its proper divisors (11575307081522).

12012111122110 is a wasteful number, since it uses less digits than its factorization.

12012111122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109201010219.

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

Adding to 12012111122110 its reverse (1122111121021), we get a palindrome (13134222243131).

The spelling of 12012111122110 in words is "twelve trillion, twelve billion, one hundred eleven million, one hundred twenty-two thousand, one hundred ten".