12234420112 has 20 divisors (see below), whose sum is σ = 24951778480. Its totient is φ = 5795251488.

The previous prime is 12234420101. The next prime is 12234420139. The reversal of 12234420112 is 21102443221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20122098 + ... + 20122705.

It is an arithmetic number, because the mean of its divisors is an integer number (1247588924).

Almost surely, 2^12234420112 is an apocalyptic number.

It is an amenable number.

12234420112 is an abundant number, since it is smaller than the sum of its proper divisors (12717358368).

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

12234420112 is a wasteful number, since it uses less digits than its factorization.

12234420112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40244830 (or 40244824 counting only the distinct ones).

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

Adding to 12234420112 its reverse (21102443221), we get a palindrome (33336863333).

The spelling of 12234420112 in words is "twelve billion, two hundred thirty-four million, four hundred twenty thousand, one hundred twelve".