12022011 has 12 divisors (see below), whose sum is σ = 17625192. Its totient is φ = 7894656.

The previous prime is 12022007. The next prime is 12022013. The reversal of 12022011 is 11022021.

12022011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12022011 - 2² = 12022007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12021984 and 12022002.

It is not an unprimeable number, because it can be changed into a prime (12022013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9366 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (1468766).

Almost surely, 2^12022011 is an apocalyptic number.

12022011 is a deficient number, since it is larger than the sum of its proper divisors (5603181).

12022011 is a wasteful number, since it uses less digits than its factorization.

12022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20010 (or 20007 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 12022011 is about 3467.2771738066. The cubic root of 12022011 is about 229.0827424853.

Adding to 12022011 its reverse (11022021), we get a palindrome (23044032).

The spelling of 12022011 in words is "twelve million, twenty-two thousand, eleven".