12340422032 has 10 divisors (see below), whose sum is σ = 23909567718. Its totient is φ = 6170211008.

The previous prime is 12340422019. The next prime is 12340422041. The reversal of 12340422032 is 23022404321.

It can be written as a sum of positive squares in only one way, i.e., 9212928256 + 3127493776 = 95984^2 + 55924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12340421989 and 12340422007.

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 as a sum of consecutive naturals, namely, 385638173 + ... + 385638204.

Almost surely, 2^12340422032 is an apocalyptic number.

It is an amenable number.

12340422032 is a deficient number, since it is larger than the sum of its proper divisors (11569145686).

12340422032 is an equidigital number, since it uses as much as digits as its factorization.

12340422032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771276385 (or 771276379 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12340422032 its reverse (23022404321), we get a palindrome (35362826353).

The spelling of 12340422032 in words is "twelve billion, three hundred forty million, four hundred twenty-two thousand, thirty-two".