12214215380 has 12 divisors (see below), whose sum is σ = 25649852340. Its totient is φ = 4885686144.

The previous prime is 12214215361. The next prime is 12214215383. The reversal of 12214215380 is 8351241221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7330441924 + 4883773456 = 85618^2 + 69884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214215383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305355365 + ... + 305355404.

It is an arithmetic number, because the mean of its divisors is an integer number (2137487695).

Almost surely, 2^12214215380 is an apocalyptic number.

12214215380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12214215380 is an abundant number, since it is smaller than the sum of its proper divisors (13435636960).

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

12214215380 is a wasteful number, since it uses less digits than its factorization.

12214215380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610710778 (or 610710776 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 12214215380 in words is "twelve billion, two hundred fourteen million, two hundred fifteen thousand, three hundred eighty".