12242151550 has 24 divisors (see below), whose sum is σ = 22822311600. Its totient is φ = 4885697280.

The previous prime is 12242151527. The next prime is 12242151569. The reversal of 12242151550 is 5515124221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256915 + ... + 300814.

It is an arithmetic number, because the mean of its divisors is an integer number (950929650).

Almost surely, 2^12242151550 is an apocalyptic number.

12242151550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12242151550 is a deficient number, since it is larger than the sum of its proper divisors (10580160050).

12242151550 is a wasteful number, since it uses less digits than its factorization.

12242151550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558180 (or 558175 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 12242151550 its reverse (5515124221), we get a palindrome (17757275771).

The spelling of 12242151550 in words is "twelve billion, two hundred forty-two million, one hundred fifty-one thousand, five hundred fifty".