12252042 has 24 divisors (see below), whose sum is σ = 28959840. Its totient is φ = 3712680.

The previous prime is 12252041. The next prime is 12252043. The reversal of 12252042 is 24025221.

It is an interprime number because it is at equal distance from previous prime (12252041) and next prime (12252043).

It is a super-2 number, since 2×12252042² = 300225066339528, 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 (12252041) 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, 30742 + ... + 31137.

It is an arithmetic number, because the mean of its divisors is an integer number (1206660).

Almost surely, 2^12252042 is an apocalyptic number.

12252042 is an abundant number, since it is smaller than the sum of its proper divisors (16707798).

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

12252042 is a wasteful number, since it uses less digits than its factorization.

12252042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61898 (or 61895 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 12252042 is about 3500.2917021300. The cubic root of 12252042 is about 230.5346227496.

Adding to 12252042 its reverse (24025221), we get a palindrome (36277263).

The spelling of 12252042 in words is "twelve million, two hundred fifty-two thousand, forty-two".