12012012121210 has 32 divisors (see below), whose sum is σ = 21777795748800. Its totient is φ = 4770101508480.

The previous prime is 12012012121183. The next prime is 12012012121217. The reversal of 12012012121210 is 1212121021021.

It is not an unprimeable number, because it can be changed into a prime (12012012121217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58512445 + ... + 58717375.

It is an arithmetic number, because the mean of its divisors is an integer number (680556117150).

Almost surely, 2^{12012012121210} is an apocalyptic number.

12012012121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012012121210 is a deficient number, since it is larger than the sum of its proper divisors (9765783627590).

12012012121210 is a wasteful number, since it uses less digits than its factorization.

12012012121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247246.

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

Adding to 12012012121210 its reverse (1212121021021), we get a palindrome (13224133142231).

The spelling of 12012012121210 in words is "twelve trillion, twelve billion, twelve million, one hundred twenty-one thousand, two hundred ten".