12012011 has 8 divisors (see below), whose sum is σ = 13131504. Its totient is φ = 10897120.

The previous prime is 12011983. The next prime is 12012017. The reversal of 12012011 is 11021021.

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 12012011 - 2¹⁸ = 11749867 is a prime.

It is a super-3 number, since 3×12012011³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12012011.

It is not an unprimeable number, because it can be changed into a prime (12012017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6641 + ... + 8253.

It is an arithmetic number, because the mean of its divisors is an integer number (1641438).

Almost surely, 2^12012011 is an apocalyptic number.

12012011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12012011 is a deficient number, since it is larger than the sum of its proper divisors (1119493).

12012011 is a wasteful number, since it uses less digits than its factorization.

12012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 12012011 is about 3465.8348200686. The cubic root of 12012011 is about 229.0192072777.

Adding to 12012011 its reverse (11021021), we get a palindrome (23033032).

The spelling of 12012011 in words is "twelve million, twelve thousand, eleven".