12342420244 has 24 divisors (see below), whose sum is σ = 26928917568. Its totient is φ = 4808735040.

The previous prime is 12342420169. The next prime is 12342420301. The reversal of 12342420244 is 44202424321.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20036089 + ... + 20036704.

It is an arithmetic number, because the mean of its divisors is an integer number (1122038232).

Almost surely, 2^12342420244 is an apocalyptic number.

12342420244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12342420244 is an abundant number, since it is smaller than the sum of its proper divisors (14586497324).

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

12342420244 is a wasteful number, since it uses less digits than its factorization.

12342420244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40072815 (or 40072813 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 12342420244 its reverse (44202424321), we get a palindrome (56544844565).

The spelling of 12342420244 in words is "twelve billion, three hundred forty-two million, four hundred twenty thousand, two hundred forty-four".