12120112012210 has 8 divisors (see below), whose sum is σ = 21816201621996. Its totient is φ = 4848044804880.

The previous prime is 12120112012201. The next prime is 12120112012243. The reversal of 12120112012210 is 1221021102121.

It can be written as a sum of positive squares in 2 ways, for example, as 12094515532089 + 25596480121 = 3477717^2 + 159989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606005600601 + ... + 606005600620.

Almost surely, 2^{12120112012210} is an apocalyptic number.

12120112012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120112012210 is a deficient number, since it is larger than the sum of its proper divisors (9696089609786).

12120112012210 is a wasteful number, since it uses less digits than its factorization.

12120112012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212011201228.

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

Adding to 12120112012210 its reverse (1221021102121), we get a palindrome (13341133114331).

The spelling of 12120112012210 in words is "twelve trillion, one hundred twenty billion, one hundred twelve million, twelve thousand, two hundred ten".