12261112 has 8 divisors (see below), whose sum is σ = 22989600. Its totient is φ = 6130552.

The previous prime is 12261101. The next prime is 12261127. The reversal of 12261112 is 21116221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766312 + ... + 766327.

It is an arithmetic number, because the mean of its divisors is an integer number (2873700).

Almost surely, 2^12261112 is an apocalyptic number.

It is an amenable number.

12261112 is a deficient number, since it is larger than the sum of its proper divisors (10728488).

12261112 is a wasteful number, since it uses less digits than its factorization.

12261112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532645 (or 1532641 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 12261112 is about 3501.5870687447. The cubic root of 12261112 is about 230.5914958073.

Adding to 12261112 its reverse (21116221), we get a palindrome (33377333).

The spelling of 12261112 in words is "twelve million, two hundred sixty-one thousand, one hundred twelve".