32100222112 has 48 divisors (see below), whose sum is σ = 73095728832. Its totient is φ = 13591480320.

The previous prime is 32100222109. The next prime is 32100222139. The reversal of 32100222112 is 21122200123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844689 + ... + 881872.

It is an arithmetic number, because the mean of its divisors is an integer number (1522827684).

Almost surely, 2^32100222112 is an apocalyptic number.

32100222112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32100222112 is an abundant number, since it is smaller than the sum of its proper divisors (40995506720).

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

32100222112 is a wasteful number, since it uses less digits than its factorization.

32100222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726661 (or 1726653 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 32100222112 its reverse (21122200123), we get a palindrome (53222422235).

The spelling of 32100222112 in words is "thirty-two billion, one hundred million, two hundred twenty-two thousand, one hundred twelve".