12344405200 has 30 divisors (see below), whose sum is σ = 29657434454. Its totient is φ = 4937761920.

The previous prime is 12344405191. The next prime is 12344405221. The reversal of 12344405200 is 250444321.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 34058896 + 12310346304 = 5836^2 + 110952^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15430107 + ... + 15430906.

Almost surely, 2^12344405200 is an apocalyptic number.

12344405200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12344405200 is an abundant number, since it is smaller than the sum of its proper divisors (17313029254).

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

12344405200 is a wasteful number, since it uses less digits than its factorization.

12344405200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30861031 (or 30861020 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 12344405200 its reverse (250444321), we get a palindrome (12594849521).

The spelling of 12344405200 in words is "twelve billion, three hundred forty-four million, four hundred five thousand, two hundred".