12012100222210 has 64 divisors (see below), whose sum is σ = 24439429382400. Its totient is φ = 4210730092800.

The previous prime is 12012100222201. The next prime is 12012100222261. The reversal of 12012100222210 is 1222200121021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 970905 + ... + 4996684.

It is an arithmetic number, because the mean of its divisors is an integer number (381866084100).

Almost surely, 2^{12012100222210} is an apocalyptic number.

12012100222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012100222210 is an abundant number, since it is smaller than the sum of its proper divisors (12427329160190).

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

12012100222210 is a wasteful number, since it uses less digits than its factorization.

12012100222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5968267.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12012100222210 its reverse (1222200121021), we get a palindrome (13234300343231).

The spelling of 12012100222210 in words is "twelve trillion, twelve billion, one hundred million, two hundred twenty-two thousand, two hundred ten".