1322012132 has 24 divisors (see below), whose sum is σ = 2645260800. Its totient is φ = 566311680.

The previous prime is 1322012093. The next prime is 1322012137. The reversal of 1322012132 is 2312102231.

It is a self number, because there is not a number n which added to its sum of digits gives 1322012132.

It is not an unprimeable number, because it can be changed into a prime (1322012137) 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, 57332 + ... + 77012.

It is an arithmetic number, because the mean of its divisors is an integer number (110219200).

Almost surely, 2^1322012132 is an apocalyptic number.

It is an amenable number.

1322012132 is an abundant number, since it is smaller than the sum of its proper divisors (1323248668).

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

1322012132 is a wasteful number, since it uses less digits than its factorization.

1322012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22091 (or 22089 counting only the distinct ones).

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

The square root of 1322012132 is about 36359.4847598257. The cubic root of 1322012132 is about 1097.5184090671.

Adding to 1322012132 its reverse (2312102231), we get a palindrome (3634114363).

Subtracting 1322012132 from its reverse (2312102231), we obtain a palindrome (990090099).

It can be divided in two parts, 13220 and 12132, that added together give a palindrome (25352).

The spelling of 1322012132 in words is "one billion, three hundred twenty-two million, twelve thousand, one hundred thirty-two".