1211003332 has 72 divisors (see below), whose sum is σ = 2689323840. Its totient is φ = 467016000.

The previous prime is 1211003327. The next prime is 1211003389. The reversal of 1211003332 is 2333001121.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 340419 + ... + 343957.

It is an arithmetic number, because the mean of its divisors is an integer number (37351720).

Almost surely, 2^1211003332 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 1211003332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344661920).

1211003332 is an abundant number, since it is smaller than the sum of its proper divisors (1478320508).

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

1211003332 is a wasteful number, since it uses less digits than its factorization.

1211003332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673 (or 3660 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1211003332 is about 34799.4731569316. The cubic root of 1211003332 is about 1065.8966878536.

Adding to 1211003332 its reverse (2333001121), we get a palindrome (3544004453).

The spelling of 1211003332 in words is "one billion, two hundred eleven million, three thousand, three hundred thirty-two".