1211327116 has 6 divisors (see below), whose sum is σ = 2119822460. Its totient is φ = 605663556.

The previous prime is 1211327111. The next prime is 1211327147. The reversal of 1211327116 is 6117231121.

It is not an unprimeable number, because it can be changed into a prime (1211327111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151415886 + ... + 151415893.

Almost surely, 2^1211327116 is an apocalyptic number.

It is an amenable number.

1211327116 is a deficient number, since it is larger than the sum of its proper divisors (908495344).

1211327116 is a wasteful number, since it uses less digits than its factorization.

1211327116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302831783 (or 302831781 counting only the distinct ones).

The product of its digits is 504, while the sum is 25.

The square root of 1211327116 is about 34804.1249854094. The cubic root of 1211327116 is about 1065.9916750790.

Adding to 1211327116 its reverse (6117231121), we get a palindrome (7328558237).

The spelling of 1211327116 in words is "one billion, two hundred eleven million, three hundred twenty-seven thousand, one hundred sixteen".