13242001220400 has 60 divisors (see below), whose sum is σ = 42418543913192. Its totient is φ = 3531200325120.

The previous prime is 13242001220341. The next prime is 13242001220417. The reversal of 13242001220400 is 402210024231.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5517499309 + ... + 5517501708.

Almost surely, 2^{13242001220400} is an apocalyptic number.

13242001220400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13242001220400 is an abundant number, since it is smaller than the sum of its proper divisors (29176542692792).

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

13242001220400 is a wasteful number, since it uses less digits than its factorization.

13242001220400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11035001038 (or 11035001027 counting only the distinct ones).

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

Adding to 13242001220400 its reverse (402210024231), we get a palindrome (13644211244631).

The spelling of 13242001220400 in words is "thirteen trillion, two hundred forty-two billion, one million, two hundred twenty thousand, four hundred".