13212401244320 has 96 divisors (see below), whose sum is σ = 31284945353088. Its totient is φ = 5273003639808.

The previous prime is 13212401244307. The next prime is 13212401244323. The reversal of 13212401244320 is 2344210421231.

It is not an unprimeable number, because it can be changed into a prime (13212401244323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442804442 + ... + 442834278.

It is an arithmetic number, because the mean of its divisors is an integer number (325884847428).

Almost surely, 2^{13212401244320} is an apocalyptic number.

13212401244320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212401244320 is an abundant number, since it is smaller than the sum of its proper divisors (18072544108768).

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

13212401244320 is a wasteful number, since it uses less digits than its factorization.

13212401244320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36022 (or 36014 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 13212401244320 its reverse (2344210421231), we get a palindrome (15556611665551).

The spelling of 13212401244320 in words is "thirteen trillion, two hundred twelve billion, four hundred one million, two hundred forty-four thousand, three hundred twenty".