13242001220442 has 128 divisors (see below), whose sum is σ = 29730726051840. Its totient is φ = 4368591864000.

The previous prime is 13242001220417. The next prime is 13242001220447. The reversal of 13242001220442 is 24402210024231.

It is a happy number.

13242001220442 is a `hidden beast` number, since 1 + 3 + 2 + 4 + 200 + 12 + 2 + 0 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13242001220447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5561528092 + ... + 5561530472.

It is an arithmetic number, because the mean of its divisors is an integer number (232271297280).

Almost surely, 2^{13242001220442} is an apocalyptic number.

13242001220442 is an abundant number, since it is smaller than the sum of its proper divisors (16488724831398).

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

13242001220442 is a wasteful number, since it uses less digits than its factorization.

13242001220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297 (or 4291 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 13242001220442 its reverse (24402210024231), we get a palindrome (37644211244673).

The spelling of 13242001220442 in words is "thirteen trillion, two hundred forty-two billion, one million, two hundred twenty thousand, four hundred forty-two".