423222112012 has 48 divisors (see below), whose sum is σ = 851120524800. Its totient is φ = 180379487232.

The previous prime is 423222112003. The next prime is 423222112013. The reversal of 423222112012 is 210211222324.

It is not an unprimeable number, because it can be changed into a prime (423222112013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18075489 + ... + 18098887.

It is an arithmetic number, because the mean of its divisors is an integer number (17731677600).

Almost surely, 2^423222112012 is an apocalyptic number.

It is an amenable number.

423222112012 is an abundant number, since it is smaller than the sum of its proper divisors (427898412788).

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

423222112012 is a wasteful number, since it uses less digits than its factorization.

423222112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26950 (or 26948 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 423222112012 its reverse (210211222324), we get a palindrome (633433334336).

The spelling of 423222112012 in words is "four hundred twenty-three billion, two hundred twenty-two million, one hundred twelve thousand, twelve".