12310224140 has 48 divisors (see below), whose sum is σ = 26452808928. Its totient is φ = 4810351104.

The previous prime is 12310224097. The next prime is 12310224149. The reversal of 12310224140 is 4142201321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12310224149) 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, 222059 + ... + 271901.

It is an arithmetic number, because the mean of its divisors is an integer number (551100186).

Almost surely, 2^12310224140 is an apocalyptic number.

12310224140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310224140 is an abundant number, since it is smaller than the sum of its proper divisors (14142584788).

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

12310224140 is a wasteful number, since it uses less digits than its factorization.

12310224140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50138 (or 50136 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12310224140 its reverse (4142201321), we get a palindrome (16452425461).

The spelling of 12310224140 in words is "twelve billion, three hundred ten million, two hundred twenty-four thousand, one hundred forty".