1211324324 has 48 divisors (see below), whose sum is σ = 2574698112. Its totient is φ = 486784512.

The previous prime is 1211324297. The next prime is 1211324329. The reversal of 1211324324 is 4234231121.

It is a self number, because there is not a number n which added to its sum of digits gives 1211324324.

It is not an unprimeable number, because it can be changed into a prime (1211324329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127259 + ... + 136445.

It is an arithmetic number, because the mean of its divisors is an integer number (53639544).

Almost surely, 2^1211324324 is an apocalyptic number.

1211324324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211324324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287349056).

1211324324 is an abundant number, since it is smaller than the sum of its proper divisors (1363373788).

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

1211324324 is a wasteful number, since it uses less digits than its factorization.

1211324324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9492 (or 9490 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1211324324 is about 34804.0848751982. The cubic root of 1211324324 is about 1065.9908560735.

Adding to 1211324324 its reverse (4234231121), we get a palindrome (5445555445).

The spelling of 1211324324 in words is "one billion, two hundred eleven million, three hundred twenty-four thousand, three hundred twenty-four".