1216010137 has 2 divisors, whose sum is σ = 1216010138. Its totient is φ = 1216010136.

The previous prime is 1216010101. The next prime is 1216010177. The reversal of 1216010137 is 7310106121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1209578841 + 6431296 = 34779^2 + 2536^2 .

It is an emirp because it is prime and its reverse (7310106121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1216010137 - 2¹¹ = 1216008089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1216010177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608005068 + 608005069.

It is an arithmetic number, because the mean of its divisors is an integer number (608005069).

Almost surely, 2^1216010137 is an apocalyptic number.

It is an amenable number.

1216010137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1216010137 is an equidigital number, since it uses as much as digits as its factorization.

1216010137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1216010137 is about 34871.3368972284. The cubic root of 1216010137 is about 1067.3636254441.

Adding to 1216010137 its reverse (7310106121), we get a palindrome (8526116258).

The spelling of 1216010137 in words is "one billion, two hundred sixteen million, ten thousand, one hundred thirty-seven".