12311222110 has 64 divisors (see below), whose sum is σ = 24917808384. Its totient is φ = 4340563200.

The previous prime is 12311222081. The next prime is 12311222123. The reversal of 12311222110 is 1122211321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 726757 + ... + 743503.

It is an arithmetic number, because the mean of its divisors is an integer number (389340756).

Almost surely, 2^12311222110 is an apocalyptic number.

12311222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12311222110 is an abundant number, since it is smaller than the sum of its proper divisors (12606586274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311222110 is a wasteful number, since it uses less digits than its factorization.

12311222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16969.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12311222110 its reverse (1122211321), we get a palindrome (13433433431).

The spelling of 12311222110 in words is "twelve billion, three hundred eleven million, two hundred twenty-two thousand, one hundred ten".