12040425422 has 8 divisors (see below), whose sum is σ = 18067568400. Its totient is φ = 6017902624.

The previous prime is 12040425421. The next prime is 12040425427. The reversal of 12040425422 is 22452404021.

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 = 12040425391 and 12040425400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040425421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148522 + ... + 1158957.

It is an arithmetic number, because the mean of its divisors is an integer number (2258446050).

Almost surely, 2^12040425422 is an apocalyptic number.

12040425422 is a deficient number, since it is larger than the sum of its proper divisors (6027142978).

12040425422 is a wasteful number, since it uses less digits than its factorization.

12040425422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310090.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 12040425422 its reverse (22452404021), we get a palindrome (34492829443).

The spelling of 12040425422 in words is "twelve billion, forty million, four hundred twenty-five thousand, four hundred twenty-two".