10001202121213 has 2 divisors, whose sum is σ = 10001202121214. Its totient is φ = 10001202121212.

The previous prime is 10001202121069. The next prime is 10001202121219. The reversal of 10001202121213 is 31212120210001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8732485986084 + 1268716135129 = 2955078^2 + 1126373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001202121213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001202121219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000601060606 + 5000601060607.

It is an arithmetic number, because the mean of its divisors is an integer number (5000601060607).

Almost surely, 2^{10001202121213} is an apocalyptic number.

It is an amenable number.

10001202121213 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001202121213 is an equidigital number, since it uses as much as digits as its factorization.

10001202121213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10001202121213 its reverse (31212120210001), we get a palindrome (41213322331214).

The spelling of 10001202121213 in words is "ten trillion, one billion, two hundred two million, one hundred twenty-one thousand, two hundred thirteen".