12222101122212 has 24 divisors (see below), whose sum is σ = 30195779243616. Its totient is φ = 3834384665728.

The previous prime is 12222101122207. The next prime is 12222101122247. The reversal of 12222101122212 is 21222110122221.

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, 29956129998 + ... + 29956130405.

It is an arithmetic number, because the mean of its divisors is an integer number (1258157468484).

Almost surely, 2^{12222101122212} is an apocalyptic number.

12222101122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12222101122212 is an abundant number, since it is smaller than the sum of its proper divisors (17973678121404).

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

12222101122212 is a wasteful number, since it uses less digits than its factorization.

12222101122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59912260427 (or 59912260425 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12222101122212 its reverse (21222110122221), we get a palindrome (33444211244433).

Subtracting 12222101122212 from its reverse (21222110122221), we obtain a palindrome (9000009000009).

The spelling of 12222101122212 in words is "twelve trillion, two hundred twenty-two billion, one hundred one million, one hundred twenty-two thousand, two hundred twelve".