1232211132 has 18 divisors (see below), whose sum is σ = 3114756008. Its totient is φ = 410737032.

The previous prime is 1232211109. The next prime is 1232211191. The reversal of 1232211132 is 2311122321.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17114008 + ... + 17114079.

Almost surely, 2^1232211132 is an apocalyptic number.

1232211132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232211132 is an abundant number, since it is smaller than the sum of its proper divisors (1882544876).

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

1232211132 is a wasteful number, since it uses less digits than its factorization.

1232211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34228097 (or 34228092 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1232211132 is about 35102.8650112779. The cubic root of 1232211132 is about 1072.0829173537.

Adding to 1232211132 its reverse (2311122321), we get a palindrome (3543333453).

The spelling of 1232211132 in words is "one billion, two hundred thirty-two million, two hundred eleven thousand, one hundred thirty-two".