12012220121110 has 128 divisors (see below), whose sum is σ = 23862440706048. Its totient is φ = 4317546240000.

The previous prime is 12012220121107. The next prime is 12012220121113. The reversal of 12012220121110 is 1112102221021.

It is an interprime number because it is at equal distance from previous prime (12012220121107) and next prime (12012220121113).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012220121113) 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 63 ways as a sum of consecutive naturals, for example, 3028034347 + ... + 3028038313.

It is an arithmetic number, because the mean of its divisors is an integer number (186425318016).

Almost surely, 2^{12012220121110} is an apocalyptic number.

12012220121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012220121110 is a deficient number, since it is larger than the sum of its proper divisors (11850220584938).

12012220121110 is a wasteful number, since it uses less digits than its factorization.

12012220121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030.

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

Adding to 12012220121110 its reverse (1112102221021), we get a palindrome (13124322342131).

The spelling of 12012220121110 in words is "twelve trillion, twelve billion, two hundred twenty million, one hundred twenty-one thousand, one hundred ten".