12102442 has 8 divisors (see below), whose sum is σ = 19804032. Its totient is φ = 5501100.

The previous prime is 12102427. The next prime is 12102457. The reversal of 12102442 is 24420121.

12102442 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 (12102427) and next prime (12102457).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275034 + ... + 275077.

It is an arithmetic number, because the mean of its divisors is an integer number (2475504).

Almost surely, 2^12102442 is an apocalyptic number.

12102442 is a deficient number, since it is larger than the sum of its proper divisors (7701590).

12102442 is a wasteful number, since it uses less digits than its factorization.

12102442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550124.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 12102442 is about 3478.8564212971. The cubic root of 12102442 is about 229.5924857015.

Adding to 12102442 its reverse (24420121), we get a palindrome (36522563).

It can be divided in two parts, 12102 and 442, that added together give a square (12544 = 112²).

The spelling of 12102442 in words is "twelve million, one hundred two thousand, four hundred forty-two".