13224012400 has 30 divisors (see below), whose sum is σ = 31770690752. Its totient is φ = 5289604800.

The previous prime is 13224012341. The next prime is 13224012419. The reversal of 13224012400 is 421042231.

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, 16529616 + ... + 16530415.

Almost surely, 2^13224012400 is an apocalyptic number.

13224012400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13224012400 is an abundant number, since it is smaller than the sum of its proper divisors (18546678352).

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

13224012400 is a wasteful number, since it uses less digits than its factorization.

13224012400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33060049 (or 33060038 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 13224012400 its reverse (421042231), we get a palindrome (13645054631).

It can be divided in two parts, 1322401 and 2400, that added together give a square (1324801 = 1151²).

The spelling of 13224012400 in words is "thirteen billion, two hundred twenty-four million, twelve thousand, four hundred".