312212213011 has 2 divisors, whose sum is σ = 312212213012. Its totient is φ = 312212213010.

The previous prime is 312212212999. The next prime is 312212213017. The reversal of 312212213011 is 110312212213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312212213011 - 2⁷ = 312212212883 is a prime.

It is a super-2 number, since 2×312212213011² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312212213011.

It is not a weakly prime, because it can be changed into another prime (312212213017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156106106505 + 156106106506.

It is an arithmetic number, because the mean of its divisors is an integer number (156106106506).

Almost surely, 2^312212213011 is an apocalyptic number.

312212213011 is a deficient number, since it is larger than the sum of its proper divisors (1).

312212213011 is an equidigital number, since it uses as much as digits as its factorization.

312212213011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 312212213011 its reverse (110312212213), we get a palindrome (422524425224).

The spelling of 312212213011 in words is "three hundred twelve billion, two hundred twelve million, two hundred thirteen thousand, eleven".