1232216115 has 32 divisors (see below), whose sum is σ = 2142719040. Its totient is φ = 601053696.

The previous prime is 1232216113. The next prime is 1232216149. The reversal of 1232216115 is 5116122321.

It is a happy number.

It is not a de Polignac number, because 1232216115 - 2¹ = 1232216113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232216113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7732 + ... + 50241.

It is an arithmetic number, because the mean of its divisors is an integer number (66959970).

Almost surely, 2^1232216115 is an apocalyptic number.

1232216115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1232216115 is a deficient number, since it is larger than the sum of its proper divisors (910502925).

1232216115 is a wasteful number, since it uses less digits than its factorization.

1232216115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58103.

The product of its digits is 720, while the sum is 24.

The square root of 1232216115 is about 35102.9359883187. The cubic root of 1232216115 is about 1072.0843625016.

Adding to 1232216115 its reverse (5116122321), we get a palindrome (6348338436).

The spelling of 1232216115 in words is "one billion, two hundred thirty-two million, two hundred sixteen thousand, one hundred fifteen".