12011022 has 24 divisors (see below), whose sum is σ = 26452920. Its totient is φ = 3937680.

The previous prime is 12011009. The next prime is 12011029. The reversal of 12011022 is 22011021.

12011022 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 = 12010995 and 12011013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011029) 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, 4372 + ... + 6567.

It is an arithmetic number, because the mean of its divisors is an integer number (1102205).

Almost surely, 2^12011022 is an apocalyptic number.

12011022 is an abundant number, since it is smaller than the sum of its proper divisors (14441898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12011022 is a wasteful number, since it uses less digits than its factorization.

12011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11008 (or 11005 counting only the distinct ones).

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

The square root of 12011022 is about 3465.6921386644. The cubic root of 12011022 is about 229.0129217297.

Adding to 12011022 its reverse (22011021), we get a palindrome (34022043).

Subtracting 12011022 from its reverse (22011021), we obtain a palindrome (9999999).

The spelling of 12011022 in words is "twelve million, eleven thousand, twenty-two".