12212110212 has 48 divisors (see below), whose sum is σ = 28844928000. Its totient is φ = 4020999840.

The previous prime is 12212110193. The next prime is 12212110223. The reversal of 12212110212 is 21201121221.

It is a junction number, because it is equal to n+sod(n) for n = 12212110191 and 12212110200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313537 + ... + 350327.

It is an arithmetic number, because the mean of its divisors is an integer number (600936000).

Almost surely, 2^12212110212 is an apocalyptic number.

12212110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212110212 is an abundant number, since it is smaller than the sum of its proper divisors (16632817788).

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

12212110212 is a wasteful number, since it uses less digits than its factorization.

12212110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37136 (or 37134 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12212110212 its reverse (21201121221), we get a palindrome (33413231433).

The spelling of 12212110212 in words is "twelve billion, two hundred twelve million, one hundred ten thousand, two hundred twelve".