23212210112 has 112 divisors (see below), whose sum is σ = 56748468672. Its totient is φ = 9173606400.

The previous prime is 23212210093. The next prime is 23212210129. The reversal of 23212210112 is 21101221232.

It is a tau number, because it is divible by the number of its divisors (112).

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, 10487918 + ... + 10490130.

It is an arithmetic number, because the mean of its divisors is an integer number (506682756).

Almost surely, 2^23212210112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23212210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28374234336).

23212210112 is an abundant number, since it is smaller than the sum of its proper divisors (33536258560).

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

23212210112 is a wasteful number, since it uses less digits than its factorization.

23212210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046 (or 4036 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 23212210112 its reverse (21101221232), we get a palindrome (44313431344).

The spelling of 23212210112 in words is "twenty-three billion, two hundred twelve million, two hundred ten thousand, one hundred twelve".