12212305120 has 24 divisors (see below), whose sum is σ = 28851571224. Its totient is φ = 4884921984.

The previous prime is 12212305111. The next prime is 12212305121. The reversal of 12212305120 is 2150321221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212305121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38163294 + ... + 38163613.

It is an arithmetic number, because the mean of its divisors is an integer number (1202148801).

Almost surely, 2^12212305120 is an apocalyptic number.

12212305120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212305120 is an abundant number, since it is smaller than the sum of its proper divisors (16639266104).

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

12212305120 is an equidigital number, since it uses as much as digits as its factorization.

12212305120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76326922 (or 76326914 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 12212305120 its reverse (2150321221), we get a palindrome (14362626341).

The spelling of 12212305120 in words is "twelve billion, two hundred twelve million, three hundred five thousand, one hundred twenty".