212334140022401 has 8 divisors (see below), whose sum is σ = 217515431480424. Its totient is φ = 207152963326080.

The previous prime is 212334140022311. The next prime is 212334140022449. The reversal of 212334140022401 is 104220041433212.

It can be written as a sum of positive squares in 4 ways, for example, as 70254319786225 + 142079820236176 = 8381785^2 + 11919724^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212334140022401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212334140022481) 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, 24938930 + ... + 32351483.

It is an arithmetic number, because the mean of its divisors is an integer number (27189428935053).

Almost surely, 2^{212334140022401} is an apocalyptic number.

It is an amenable number.

212334140022401 is a deficient number, since it is larger than the sum of its proper divisors (5181291458023).

212334140022401 is an equidigital number, since it uses as much as digits as its factorization.

212334140022401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57380851.

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

Adding to 212334140022401 its reverse (104220041433212), we get a palindrome (316554181455613).

The spelling of 212334140022401 in words is "two hundred twelve trillion, three hundred thirty-four billion, one hundred forty million, twenty-two thousand, four hundred one".