1232122112 has 72 divisors (see below), whose sum is σ = 2657854080. Its totient is φ = 566691840.

The previous prime is 1232122093. The next prime is 1232122117. The reversal of 1232122112 is 2112212321.

It is not an unprimeable number, because it can be changed into a prime (1232122117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1433939 + ... + 1434797.

It is an arithmetic number, because the mean of its divisors is an integer number (36914640).

Almost surely, 2^1232122112 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 1232122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1328927040).

1232122112 is an abundant number, since it is smaller than the sum of its proper divisors (1425731968).

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

1232122112 is an equidigital number, since it uses as much as digits as its factorization.

1232122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319 (or 1305 counting only the distinct ones).

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

The square root of 1232122112 is about 35101.5970007064. The cubic root of 1232122112 is about 1072.0570995055.

Adding to 1232122112 its reverse (2112212321), we get a palindrome (3344334433).

The spelling of 1232122112 in words is "one billion, two hundred thirty-two million, one hundred twenty-two thousand, one hundred twelve".