201012121210073 has 2 divisors, whose sum is σ = 201012121210074. Its totient is φ = 201012121210072.

The previous prime is 201012121209923. The next prime is 201012121210129. The reversal of 201012121210073 is 370012121210102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134304179305024 + 66707941905049 = 11588968^2 + 8167493^2 .

It is a cyclic number.

It is not a de Polignac number, because 201012121210073 - 2⁸ = 201012121209817 is a prime.

It is not a weakly prime, because it can be changed into another prime (201012121290073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506060605036 + 100506060605037.

It is an arithmetic number, because the mean of its divisors is an integer number (100506060605037).

Almost surely, 2^{201012121210073} is an apocalyptic number.

It is an amenable number.

201012121210073 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012121210073 is an equidigital number, since it uses as much as digits as its factorization.

201012121210073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 201012121210073 its reverse (370012121210102), we get a palindrome (571024242420175).

The spelling of 201012121210073 in words is "two hundred one trillion, twelve billion, one hundred twenty-one million, two hundred ten thousand, seventy-three".