201012211200973 has 2 divisors, whose sum is σ = 201012211200974. Its totient is φ = 201012211200972.

The previous prime is 201012211200929. The next prime is 201012211200989. The reversal of 201012211200973 is 379002112210102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190559747618244 + 10452463582729 = 13804338^2 + 3233027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201012211200973 is a prime.

It is a super-2 number, since 2×201012211200973² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201012211200923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506105600486 + 100506105600487.

It is an arithmetic number, because the mean of its divisors is an integer number (100506105600487).

Almost surely, 2^{201012211200973} is an apocalyptic number.

It is an amenable number.

201012211200973 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012211200973 is an equidigital number, since it uses as much as digits as its factorization.

201012211200973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 201012211200973 in words is "two hundred one trillion, twelve billion, two hundred eleven million, two hundred thousand, nine hundred seventy-three".