12312224041420 has 24 divisors (see below), whose sum is σ = 25857555450048. Its totient is φ = 4924530576000.

The previous prime is 12312224041399. The next prime is 12312224041421. The reversal of 12312224041420 is 2414042221321.

It is a super-2 number, since 2×12312224041420² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12312224041421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22158756 + ... + 22707595.

It is an arithmetic number, because the mean of its divisors is an integer number (1077398143752).

Almost surely, 2^{12312224041420} is an apocalyptic number.

12312224041420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312224041420 is an abundant number, since it is smaller than the sum of its proper divisors (13545331408628).

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

12312224041420 is a wasteful number, since it uses less digits than its factorization.

12312224041420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44880081 (or 44880079 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 12312224041420 its reverse (2414042221321), we get a palindrome (14726266262741).

The spelling of 12312224041420 in words is "twelve trillion, three hundred twelve billion, two hundred twenty-four million, forty-one thousand, four hundred twenty".