12012112221010 has 128 divisors (see below), whose sum is σ = 25777313095680. Its totient is φ = 3981095500800.

The previous prime is 12012112221007. The next prime is 12012112221023. The reversal of 12012112221010 is 1012221121021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6579615 + ... + 8204605.

It is an arithmetic number, because the mean of its divisors is an integer number (201385258560).

Almost surely, 2^{12012112221010} is an apocalyptic number.

12012112221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012112221010 is an abundant number, since it is smaller than the sum of its proper divisors (13765200874670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12012112221010 is a wasteful number, since it uses less digits than its factorization.

12012112221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625152.

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

Adding to 12012112221010 its reverse (1012221121021), we get a palindrome (13024333342031).

The spelling of 12012112221010 in words is "twelve trillion, twelve billion, one hundred twelve million, two hundred twenty-one thousand, ten".