10001211200069 has 2 divisors, whose sum is σ = 10001211200070. Its totient is φ = 10001211200068.

The previous prime is 10001211200051. The next prime is 10001211200137. The reversal of 10001211200069 is 96000211210001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9764687522500 + 236523677569 = 3124850^2 + 486337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001211200069 is a prime.

It is a super-2 number, since 2×10001211200069² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001211200569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000605600034 + 5000605600035.

It is an arithmetic number, because the mean of its divisors is an integer number (5000605600035).

Almost surely, 2^{10001211200069} is an apocalyptic number.

It is an amenable number.

10001211200069 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001211200069 is an equidigital number, since it uses as much as digits as its factorization.

10001211200069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 10001211200069 in words is "ten trillion, one billion, two hundred eleven million, two hundred thousand, sixty-nine".