1211132363 has 12 divisors (see below), whose sum is σ = 1413970272. Its totient is φ = 1034354160.

The previous prime is 1211132311. The next prime is 1211132387. The reversal of 1211132363 is 3632311121.

It is not a de Polignac number, because 1211132363 - 2¹⁴ = 1211115979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211132563) 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 11 ways as a sum of consecutive naturals, for example, 31043 + ... + 58188.

It is an arithmetic number, because the mean of its divisors is an integer number (117830856).

Almost surely, 2^1211132363 is an apocalyptic number.

1211132363 is a deficient number, since it is larger than the sum of its proper divisors (202837909).

1211132363 is an equidigital number, since it uses as much as digits as its factorization.

1211132363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89522 (or 89515 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 1211132363 is about 34801.3270292959. The cubic root of 1211132363 is about 1065.9345431943.

Adding to 1211132363 its reverse (3632311121), we get a palindrome (4843443484).

The spelling of 1211132363 in words is "one billion, two hundred eleven million, one hundred thirty-two thousand, three hundred sixty-three".