201212200120011 has 24 divisors (see below), whose sum is σ = 280781813392080. Its totient is φ = 128159509142016.

The previous prime is 201212200119979. The next prime is 201212200120013. The reversal of 201212200120011 is 110021002212102.

It is not a de Polignac number, because 201212200120011 - 2⁵ = 201212200119979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201212200120013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72611806 + ... + 75331923.

It is an arithmetic number, because the mean of its divisors is an integer number (11699242224670).

Almost surely, 2^{201212200120011} is an apocalyptic number.

201212200120011 is a deficient number, since it is larger than the sum of its proper divisors (79569613272069).

201212200120011 is a wasteful number, since it uses less digits than its factorization.

201212200120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147944635 (or 147944612 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201212200120011 its reverse (110021002212102), we get a palindrome (311233202332113).

It can be divided in two parts, 201212200 and 120011, that added together give a triangular number (201332211 = T₂₀₀₆₆).

The spelling of 201212200120011 in words is "two hundred one trillion, two hundred twelve billion, two hundred million, one hundred twenty thousand, eleven".