12403042422 has 64 divisors (see below), whose sum is σ = 27231552000. Its totient is φ = 3753440768.

The previous prime is 12403042411. The next prime is 12403042439. The reversal of 12403042422 is 22424030421.

It is a super-2 number, since 2×12403042422² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12403042392 and 12403042401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209854 + ... + 262382.

It is an arithmetic number, because the mean of its divisors is an integer number (425493000).

Almost surely, 2^12403042422 is an apocalyptic number.

12403042422 is an abundant number, since it is smaller than the sum of its proper divisors (14828509578).

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

12403042422 is a wasteful number, since it uses less digits than its factorization.

12403042422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52645.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12403042422 its reverse (22424030421), we get a palindrome (34827072843).

The spelling of 12403042422 in words is "twelve billion, four hundred three million, forty-two thousand, four hundred twenty-two".