12231440310 has 32 divisors (see below), whose sum is σ = 29358379872. Its totient is φ = 3261392640.

The previous prime is 12231440237. The next prime is 12231440339. The reversal of 12231440310 is 1304413221.

It is a super-2 number, since 2×12231440310² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535320 + ... + 557700.

It is an arithmetic number, because the mean of its divisors is an integer number (917449371).

Almost surely, 2^12231440310 is an apocalyptic number.

12231440310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12231440310 is an abundant number, since it is smaller than the sum of its proper divisors (17126939562).

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

12231440310 is a wasteful number, since it uses less digits than its factorization.

12231440310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40608.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12231440310 its reverse (1304413221), we get a palindrome (13535853531).

The spelling of 12231440310 in words is "twelve billion, two hundred thirty-one million, four hundred forty thousand, three hundred ten".