2012132231 has 6 divisors (see below), whose sum is σ = 2036673840. Its totient is φ = 1987882868.

The previous prime is 2012132209. The next prime is 2012132233. The reversal of 2012132231 is 1322312102.

It is a de Polignac number, because none of the positive numbers 2^k-2012132231 is a prime.

It is a super-2 number, since 2×2012132231² = 8097352230058074722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012132233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139151 + ... + 152928.

It is an arithmetic number, because the mean of its divisors is an integer number (339445640).

Almost surely, 2^2012132231 is an apocalyptic number.

2012132231 is a deficient number, since it is larger than the sum of its proper divisors (24541609).

2012132231 is an frugal number, since it uses more digits than its factorization.

2012132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292245 (or 292162 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2012132231 is about 44856.7969320147. The cubic root of 2012132231 is about 1262.4635246920.

Adding to 2012132231 its reverse (1322312102), we get a palindrome (3334444333).

The spelling of 2012132231 in words is "two billion, twelve million, one hundred thirty-two thousand, two hundred thirty-one".