12310022011 has 16 divisors (see below), whose sum is σ = 14404824000. Its totient is φ = 10515349824.

The previous prime is 12310021991. The next prime is 12310022017. The reversal of 12310022011 is 11022001321.

It is not a de Polignac number, because 12310022011 - 2²¹ = 12307924859 is a prime.

It is a super-2 number, since 2×12310022011² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12310021982 and 12310022000.

It is not an unprimeable number, because it can be changed into a prime (12310022017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39255 + ... + 161743.

It is an arithmetic number, because the mean of its divisors is an integer number (900301500).

Almost surely, 2^12310022011 is an apocalyptic number.

12310022011 is a deficient number, since it is larger than the sum of its proper divisors (2094801989).

12310022011 is an equidigital number, since it uses as much as digits as its factorization.

12310022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122803 (or 122789 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12310022011 its reverse (11022001321), we get a palindrome (23332023332).

The spelling of 12310022011 in words is "twelve billion, three hundred ten million, twenty-two thousand, eleven".