12342226438 has 8 divisors (see below), whose sum is σ = 18523705032. Its totient is φ = 6167658096.

The previous prime is 12342226427. The next prime is 12342226451. The reversal of 12342226438 is 83462224321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12342226397 and 12342226406.

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, 1723095 + ... + 1730242.

It is an arithmetic number, because the mean of its divisors is an integer number (2315463129).

Almost surely, 2^12342226438 is an apocalyptic number.

12342226438 is a deficient number, since it is larger than the sum of its proper divisors (6181478594).

12342226438 is a wasteful number, since it uses less digits than its factorization.

12342226438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455126.

The product of its digits is 110592, while the sum is 37.

The spelling of 12342226438 in words is "twelve billion, three hundred forty-two million, two hundred twenty-six thousand, four hundred thirty-eight".