1211324368 has 10 divisors (see below), whose sum is σ = 2346940994. Its totient is φ = 605662176.

The previous prime is 1211324363. The next prime is 1211324369. The reversal of 1211324368 is 8634231121.

It can be written as a sum of positive squares in only one way, i.e., 801342864 + 409981504 = 28308^2 + 20248^2 .

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211324363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37853871 + ... + 37853902.

Almost surely, 2^1211324368 is an apocalyptic number.

It is an amenable number.

1211324368 is a deficient number, since it is larger than the sum of its proper divisors (1135616626).

1211324368 is an equidigital number, since it uses as much as digits as its factorization.

1211324368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75707781 (or 75707775 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 1211324368 is about 34804.0855073079. The cubic root of 1211324368 is about 1065.9908689804.

Adding to 1211324368 its reverse (8634231121), we get a palindrome (9845555489).

It can be divided in two parts, 12113 and 24368, that added together give a square (36481 = 191²).

The spelling of 1211324368 in words is "one billion, two hundred eleven million, three hundred twenty-four thousand, three hundred sixty-eight".