12011212112210 has 16 divisors (see below), whose sum is σ = 21706317988992. Its totient is φ = 4785343470000.

The previous prime is 12011212112209. The next prime is 12011212112227. The reversal of 12011212112210 is 1221121211021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2392669226 + ... + 2392674245.

It is an arithmetic number, because the mean of its divisors is an integer number (1356644874312).

Almost surely, 2^{12011212112210} is an apocalyptic number.

12011212112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011212112210 is a deficient number, since it is larger than the sum of its proper divisors (9695105876782).

12011212112210 is a wasteful number, since it uses less digits than its factorization.

12011212112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785343729.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12011212112210 its reverse (1221121211021), we get a palindrome (13232333323231).

The spelling of 12011212112210 in words is "twelve trillion, eleven billion, two hundred twelve million, one hundred twelve thousand, two hundred ten".