12241512 has 24 divisors (see below), whose sum is σ = 33154290. Its totient is φ = 4080480.

The previous prime is 12241507. The next prime is 12241517. The reversal of 12241512 is 21514221.

12241512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12241507) and next prime (12241517).

It can be written as a sum of positive squares in only one way, i.e., 10150596 + 2090916 = 3186^2 + 1446^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×12241512² = 299709232092288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12241517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84939 + ... + 85082.

Almost surely, 2^12241512 is an apocalyptic number.

12241512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12241512 is an abundant number, since it is smaller than the sum of its proper divisors (20912778).

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

12241512 is a wasteful number, since it uses less digits than its factorization.

12241512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170033 (or 170026 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 12241512 is about 3498.7872184516. The cubic root of 12241512 is about 230.4685596026.

Adding to 12241512 its reverse (21514221), we get a palindrome (33755733).

The spelling of 12241512 in words is "twelve million, two hundred forty-one thousand, five hundred twelve".