12243211341420 has 96 divisors (see below), whose sum is σ = 34326181632960. Its totient is φ = 3260555223040.

The previous prime is 12243211341391. The next prime is 12243211341469. The reversal of 12243211341420 is 2414311234221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153212836 + ... + 153292724.

It is an arithmetic number, because the mean of its divisors is an integer number (357564392010).

Almost surely, 2^{12243211341420} is an apocalyptic number.

12243211341420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12243211341420 is an abundant number, since it is smaller than the sum of its proper divisors (22082970291540).

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

12243211341420 is a wasteful number, since it uses less digits than its factorization.

12243211341420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83235 (or 83233 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 12243211341420 its reverse (2414311234221), we get a palindrome (14657522575641).

The spelling of 12243211341420 in words is "twelve trillion, two hundred forty-three billion, two hundred eleven million, three hundred forty-one thousand, four hundred twenty".