42210123332 has 12 divisors (see below), whose sum is σ = 79549847916. Its totient is φ = 19481595360.

The previous prime is 42210123317. The next prime is 42210123337. The reversal of 42210123332 is 23332101224.

It can be written as a sum of positive squares in 2 ways, for example, as 19158989056 + 23051134276 = 138416^2 + 151826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42210123298 and 42210123307.

It is not an unprimeable number, because it can be changed into a prime (42210123337) 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, 405866519 + ... + 405866622.

It is an arithmetic number, because the mean of its divisors is an integer number (6629153993).

Almost surely, 2^42210123332 is an apocalyptic number.

It is an amenable number.

42210123332 is a deficient number, since it is larger than the sum of its proper divisors (37339724584).

42210123332 is a wasteful number, since it uses less digits than its factorization.

42210123332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811733158 (or 811733156 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42210123332 its reverse (23332101224), we get a palindrome (65542224556).

The spelling of 42210123332 in words is "forty-two billion, two hundred ten million, one hundred twenty-three thousand, three hundred thirty-two".