1350221312 has 80 divisors (see below), whose sum is σ = 2964654000. Its totient is φ = 609239040.

The previous prime is 1350221267. The next prime is 1350221317. The reversal of 1350221312 is 2131220531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350221317) 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, 838364 + ... + 839972.

It is an arithmetic number, because the mean of its divisors is an integer number (37058175).

Almost surely, 2^1350221312 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 1350221312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482327000).

1350221312 is an abundant number, since it is smaller than the sum of its proper divisors (1614432688).

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

1350221312 is a wasteful number, since it uses less digits than its factorization.

1350221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1350221312 is about 36745.3576931835. The cubic root of 1350221312 is about 1105.2698403943.

Adding to 1350221312 its reverse (2131220531), we get a palindrome (3481441843).

The spelling of 1350221312 in words is "one billion, three hundred fifty million, two hundred twenty-one thousand, three hundred twelve".