12214400340 has 48 divisors (see below), whose sum is σ = 34379412480. Its totient is φ = 3240117120.

The previous prime is 12214400339. The next prime is 12214400353. The reversal of 12214400340 is 4300441221.

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, 521455 + ... + 544374.

It is an arithmetic number, because the mean of its divisors is an integer number (716237760).

Almost surely, 2^12214400340 is an apocalyptic number.

12214400340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12214400340 is an abundant number, since it is smaller than the sum of its proper divisors (22165012140).

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

12214400340 is a wasteful number, since it uses less digits than its factorization.

12214400340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066032 (or 1066030 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12214400340 its reverse (4300441221), we get a palindrome (16514841561).

The spelling of 12214400340 in words is "twelve billion, two hundred fourteen million, four hundred thousand, three hundred forty".