213012300001 has 2 divisors, whose sum is σ = 213012300002. Its totient is φ = 213012300000.

The previous prime is 213012299989. The next prime is 213012300019. The reversal of 213012300001 is 100003210312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207694390225 + 5317909776 = 455735^2 + 72924^2 .

It is a cyclic number.

It is not a de Polignac number, because 213012300001 - 2⁷ = 213012299873 is a prime.

It is not a weakly prime, because it can be changed into another prime (213012300071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106506150000 + 106506150001.

It is an arithmetic number, because the mean of its divisors is an integer number (106506150001).

Almost surely, 2^213012300001 is an apocalyptic number.

It is an amenable number.

213012300001 is a deficient number, since it is larger than the sum of its proper divisors (1).

213012300001 is an equidigital number, since it uses as much as digits as its factorization.

213012300001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 213012300001 its reverse (100003210312), we get a palindrome (313015510313).

The spelling of 213012300001 in words is "two hundred thirteen billion, twelve million, three hundred thousand, one".