12220230133212 has 24 divisors (see below), whose sum is σ = 28517898460800. Its totient is φ = 4072834594416.

The previous prime is 12220230133211. The next prime is 12220230133273. The reversal of 12220230133212 is 21233103202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220230133211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71842762 + ... + 72012657.

It is an arithmetic number, because the mean of its divisors is an integer number (1188245769200).

Almost surely, 2^{12220230133212} is an apocalyptic number.

12220230133212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12220230133212 is an abundant number, since it is smaller than the sum of its proper divisors (16297668327588).

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

12220230133212 is a wasteful number, since it uses less digits than its factorization.

12220230133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143862505 (or 143862503 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12220230133212 its reverse (21233103202221), we get a palindrome (33453333335433).

The spelling of 12220230133212 in words is "twelve trillion, two hundred twenty billion, two hundred thirty million, one hundred thirty-three thousand, two hundred twelve".