12021164 has 6 divisors (see below), whose sum is σ = 21037044. Its totient is φ = 6010580.

The previous prime is 12021131. The next prime is 12021179. The reversal of 12021164 is 46112021.

12021164 is a modest number, since divided by 21164 gives 12 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502642 + ... + 1502649.

It is an arithmetic number, because the mean of its divisors is an integer number (3506174).

Almost surely, 2^12021164 is an apocalyptic number.

It is an amenable number.

12021164 is a deficient number, since it is larger than the sum of its proper divisors (9015880).

12021164 is a wasteful number, since it uses less digits than its factorization.

12021164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005295 (or 3005293 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12021164 is about 3467.1550297037. The cubic root of 12021164 is about 229.0773624192.

Adding to 12021164 its reverse (46112021), we get a palindrome (58133185).

The spelling of 12021164 in words is "twelve million, twenty-one thousand, one hundred sixty-four".