201212012110011 has 32 divisors (see below), whose sum is σ = 308076398665728. Its totient is φ = 114427987057440.

The previous prime is 201212012109919. The next prime is 201212012110037. The reversal of 201212012110011 is 110011210212102.

It is a happy number.

It is not a de Polignac number, because 201212012110011 - 2²⁶ = 201211945001147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201212012120011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94062606 + ... + 96177948.

It is an arithmetic number, because the mean of its divisors is an integer number (9627387458304).

Almost surely, 2^{201212012110011} is an apocalyptic number.

201212012110011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201212012110011 is a deficient number, since it is larger than the sum of its proper divisors (106864386555717).

201212012110011 is a wasteful number, since it uses less digits than its factorization.

201212012110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137031.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201212012110011 its reverse (110011210212102), we get a palindrome (311223222322113).

The spelling of 201212012110011 in words is "two hundred one trillion, two hundred twelve billion, twelve million, one hundred ten thousand, eleven".