12234421340 has 12 divisors (see below), whose sum is σ = 25692284856. Its totient is φ = 4893768528.

The previous prime is 12234421337. The next prime is 12234421363. The reversal of 12234421340 is 4312443221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305860514 + ... + 305860553.

It is an arithmetic number, because the mean of its divisors is an integer number (2141023738).

Almost surely, 2^12234421340 is an apocalyptic number.

12234421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12234421340 is an abundant number, since it is smaller than the sum of its proper divisors (13457863516).

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

12234421340 is a wasteful number, since it uses less digits than its factorization.

12234421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611721076 (or 611721074 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12234421340 its reverse (4312443221), we get a palindrome (16546864561).

The spelling of 12234421340 in words is "twelve billion, two hundred thirty-four million, four hundred twenty-one thousand, three hundred forty".