132221012 has 48 divisors (see below), whose sum is σ = 294403200. Its totient is φ = 51508800.

The previous prime is 132221009. The next prime is 132221021. The reversal of 132221012 is 210122231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10712 + ... + 19472.

It is an arithmetic number, because the mean of its divisors is an integer number (6133400).

Almost surely, 2^132221012 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 132221012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147201600).

132221012 is an abundant number, since it is smaller than the sum of its proper divisors (162182188).

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

132221012 is a wasteful number, since it uses less digits than its factorization.

132221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8797 (or 8781 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 132221012 is about 11498.7395831021. The cubic root of 132221012 is about 509.4483487886.

Adding to 132221012 its reverse (210122231), we get a palindrome (342343243).

The spelling of 132221012 in words is "one hundred thirty-two million, two hundred twenty-one thousand, twelve".