12210334140 has 96 divisors (see below), whose sum is σ = 34598624256. Its totient is φ = 3217305600.

The previous prime is 12210334117. The next prime is 12210334177. The reversal of 12210334140 is 4143301221.

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, 1745089 + ... + 1752071.

It is an arithmetic number, because the mean of its divisors is an integer number (360402336).

Almost surely, 2^12210334140 is an apocalyptic number.

12210334140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210334140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17299312128).

12210334140 is an abundant number, since it is smaller than the sum of its proper divisors (22388290116).

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

12210334140 is a wasteful number, since it uses less digits than its factorization.

12210334140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339 (or 7337 counting only the distinct ones).

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

Adding to 12210334140 its reverse (4143301221), we get a palindrome (16353635361).

The spelling of 12210334140 in words is "twelve billion, two hundred ten million, three hundred thirty-four thousand, one hundred forty".