1322012032 has 64 divisors (see below), whose sum is σ = 2998114560. Its totient is φ = 574773760.

The previous prime is 1322012017. The next prime is 1322012033. The reversal of 1322012032 is 2302102231.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1322011997 and 1322012015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322012033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11973 + ... + 52795.

It is an arithmetic number, because the mean of its divisors is an integer number (46845540).

Almost surely, 2^1322012032 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 1322012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499057280).

1322012032 is an abundant number, since it is smaller than the sum of its proper divisors (1676102528).

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

1322012032 is a wasteful number, since it uses less digits than its factorization.

1322012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40871 (or 40859 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1322012032 is about 36359.4833846687. The cubic root of 1322012032 is about 1097.5183813942.

Adding to 1322012032 its reverse (2302102231), we get a palindrome (3624114263).

It can be divided in two parts, 13220 and 12032, that added together give a palindrome (25252).

The spelling of 1322012032 in words is "one billion, three hundred twenty-two million, twelve thousand, thirty-two".