1211040332 has 6 divisors (see below), whose sum is σ = 2119320588. Its totient is φ = 605520164.

The previous prime is 1211040307. The next prime is 1211040349. The reversal of 1211040332 is 2330401121.

It is a self number, because there is not a number n which added to its sum of digits gives 1211040332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151380038 + ... + 151380045.

It is an arithmetic number, because the mean of its divisors is an integer number (353220098).

Almost surely, 2^1211040332 is an apocalyptic number.

It is an amenable number.

1211040332 is a deficient number, since it is larger than the sum of its proper divisors (908280256).

1211040332 is a wasteful number, since it uses less digits than its factorization.

1211040332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302760087 (or 302760085 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1211040332 is about 34800.0047701146. The cubic root of 1211040332 is about 1065.9075432533.

Adding to 1211040332 its reverse (2330401121), we get a palindrome (3541441453).

The spelling of 1211040332 in words is "one billion, two hundred eleven million, forty thousand, three hundred thirty-two".