201212012011 has 8 divisors (see below), whose sum is σ = 202110736464. Its totient is φ = 200313588480.

The previous prime is 201212011997. The next prime is 201212012041. The reversal of 201212012011 is 110210212102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201212012011 - 2³⁷ = 63773058539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201212011982 and 201212012000.

It is not an unprimeable number, because it can be changed into a prime (201212012041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322851 + ... + 1467091.

It is an arithmetic number, because the mean of its divisors is an integer number (25263842058).

Almost surely, 2^201212012011 is an apocalyptic number.

201212012011 is a deficient number, since it is larger than the sum of its proper divisors (898724453).

201212012011 is a wasteful number, since it uses less digits than its factorization.

201212012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150461.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201212012011 its reverse (110210212102), we get a palindrome (311422224113).

The spelling of 201212012011 in words is "two hundred one billion, two hundred twelve million, twelve thousand, eleven".