42312132422 has 32 divisors (see below), whose sum is σ = 80844065280. Its totient is φ = 16168809600.

The previous prime is 42312132391. The next prime is 42312132437. The reversal of 42312132422 is 22423121324.

It is a junction number, because it is equal to n+sod(n) for n = 42312132391 and 42312132400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4673954 + ... + 4682997.

It is an arithmetic number, because the mean of its divisors is an integer number (2526377040).

Almost surely, 2^42312132422 is an apocalyptic number.

42312132422 is a deficient number, since it is larger than the sum of its proper divisors (38531932858).

42312132422 is a wasteful number, since it uses less digits than its factorization.

42312132422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9356996.

The product of its digits is 4608, while the sum is 26.

Adding to 42312132422 its reverse (22423121324), we get a palindrome (64735253746).

The spelling of 42312132422 in words is "forty-two billion, three hundred twelve million, one hundred thirty-two thousand, four hundred twenty-two".