12214340400 has 60 divisors (see below), whose sum is σ = 39126607592. Its totient is φ = 3257157120.

The previous prime is 12214340377. The next prime is 12214340419. The reversal of 12214340400 is 404341221.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×12214340400² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5088109 + ... + 5090508.

Almost surely, 2^12214340400 is an apocalyptic number.

12214340400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12214340400 is an abundant number, since it is smaller than the sum of its proper divisors (26912267192).

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

12214340400 is a wasteful number, since it uses less digits than its factorization.

12214340400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10178638 (or 10178627 counting only the distinct ones).

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

Adding to 12214340400 its reverse (404341221), we get a palindrome (12618681621).

The spelling of 12214340400 in words is "twelve billion, two hundred fourteen million, three hundred forty thousand, four hundred".