12242142255 has 64 divisors (see below), whose sum is σ = 23722288128. Its totient is φ = 5262796800.

The previous prime is 12242142251. The next prime is 12242142257. The reversal of 12242142255 is 55224124221.

It is not a de Polignac number, because 12242142255 - 2² = 12242142251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242142251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3019980 + ... + 3024030.

It is an arithmetic number, because the mean of its divisors is an integer number (370660752).

Almost surely, 2^12242142255 is an apocalyptic number.

12242142255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12242142255 is a deficient number, since it is larger than the sum of its proper divisors (11480145873).

12242142255 is a wasteful number, since it uses less digits than its factorization.

12242142255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776.

The product of its digits is 12800, while the sum is 30.

Adding to 12242142255 its reverse (55224124221), we get a palindrome (67466266476).

The spelling of 12242142255 in words is "twelve billion, two hundred forty-two million, one hundred forty-two thousand, two hundred fifty-five".