12345587422 has 8 divisors (see below), whose sum is σ = 21163864176. Its totient is φ = 5290966032.

The previous prime is 12345587389. The next prime is 12345587453. The reversal of 12345587422 is 22478554321.

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

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, 440913823 + ... + 440913850.

It is an arithmetic number, because the mean of its divisors is an integer number (2645483022).

Almost surely, 2^12345587422 is an apocalyptic number.

12345587422 is a deficient number, since it is larger than the sum of its proper divisors (8818276754).

12345587422 is an equidigital number, since it uses as much as digits as its factorization.

12345587422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881827682.

The product of its digits is 537600, while the sum is 43.

The spelling of 12345587422 in words is "twelve billion, three hundred forty-five million, five hundred eighty-seven thousand, four hundred twenty-two".