12211070 has 16 divisors (see below), whose sum is σ = 22448448. Its totient is φ = 4780320.

The previous prime is 12211063. The next prime is 12211079. The reversal of 12211070 is 7011221.

It is a super-2 number, since 2×12211070² = 298220461089800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211079) 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, 12521 + ... + 13460.

It is an arithmetic number, because the mean of its divisors is an integer number (1403028).

Almost surely, 2^12211070 is an apocalyptic number.

12211070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211070 is a deficient number, since it is larger than the sum of its proper divisors (10237378).

12211070 is a wasteful number, since it uses less digits than its factorization.

12211070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26035.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 12211070 is about 3494.4341458954. The cubic root of 12211070 is about 230.2773591574.

Adding to 12211070 its reverse (7011221), we get a palindrome (19222291).

The spelling of 12211070 in words is "twelve million, two hundred eleven thousand, seventy".