212443130242001 has 8 divisors (see below), whose sum is σ = 212724234334920. Its totient is φ = 212162138892288.

The previous prime is 212443130241997. The next prime is 212443130242019. The reversal of 212443130242001 is 100242031344212.

It can be written as a sum of positive squares in 4 ways, for example, as 6364903311376 + 206078226930625 = 2522876^2 + 14355425^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212443130242001 - 2² = 212443130241997 is a prime.

It is a super-3 number, since 3×212443130242001³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212443130242061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24414356 + ... + 31952261.

It is an arithmetic number, because the mean of its divisors is an integer number (26590529291865).

Almost surely, 2^{212443130242001} is an apocalyptic number.

It is an amenable number.

212443130242001 is a deficient number, since it is larger than the sum of its proper divisors (281104092919).

212443130242001 is an equidigital number, since it uses as much as digits as its factorization.

212443130242001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56371603.

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

Adding to 212443130242001 its reverse (100242031344212), we get a palindrome (312685161586213).

The spelling of 212443130242001 in words is "two hundred twelve trillion, four hundred forty-three billion, one hundred thirty million, two hundred forty-two thousand, one".