1213322324 has 6 divisors (see below), whose sum is σ = 2123314074. Its totient is φ = 606661160.

The previous prime is 1213322293. The next prime is 1213322333. The reversal of 1213322324 is 4232233121.

It can be written as a sum of positive squares in only one way, i.e., 710755600 + 502566724 = 26660^2 + 22418^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1213322324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151665287 + ... + 151665294.

It is an arithmetic number, because the mean of its divisors is an integer number (353885679).

Almost surely, 2^1213322324 is an apocalyptic number.

It is an amenable number.

1213322324 is a deficient number, since it is larger than the sum of its proper divisors (909991750).

1213322324 is a wasteful number, since it uses less digits than its factorization.

1213322324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303330585 (or 303330583 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 1213322324 is about 34832.7765760928. The cubic root of 1213322324 is about 1066.5766281204.

Adding to 1213322324 its reverse (4232233121), we get a palindrome (5445555445).

The spelling of 1213322324 in words is "one billion, two hundred thirteen million, three hundred twenty-two thousand, three hundred twenty-four".