4012216331 has 2 divisors, whose sum is σ = 4012216332. Its totient is φ = 4012216330.

The previous prime is 4012216289. The next prime is 4012216333. The reversal of 4012216331 is 1336122104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4012216331 - 2²² = 4008022027 is a prime.

It is a super-2 number, since 2×4012216331² = 32195759773486203122, which contains 22 as substring.

Together with 4012216333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4012216297 and 4012216306.

It is not a weakly prime, because it can be changed into another prime (4012216333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006108165 + 2006108166.

It is an arithmetic number, because the mean of its divisors is an integer number (2006108166).

Almost surely, 2^4012216331 is an apocalyptic number.

4012216331 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012216331 is an equidigital number, since it uses as much as digits as its factorization.

4012216331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4012216331 is about 63342.0581525419. The cubic root of 4012216331 is about 1589.0154276596.

Adding to 4012216331 its reverse (1336122104), we get a palindrome (5348338435).

The spelling of 4012216331 in words is "four billion, twelve million, two hundred sixteen thousand, three hundred thirty-one".