12242052557 has 8 divisors (see below), whose sum is σ = 14035619136. Its totient is φ = 10459661472.

The previous prime is 12242052521. The next prime is 12242052577. The reversal of 12242052557 is 75525024221.

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

It is a cyclic number.

It is not a de Polignac number, because 12242052557 - 2¹⁰ = 12242051533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242052577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2791523 + ... + 2795904.

It is an arithmetic number, because the mean of its divisors is an integer number (1754452392).

Almost surely, 2^12242052557 is an apocalyptic number.

It is an amenable number.

12242052557 is a deficient number, since it is larger than the sum of its proper divisors (1793566579).

12242052557 is an equidigital number, since it uses as much as digits as its factorization.

12242052557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5587747.

The product of its (nonzero) digits is 56000, while the sum is 35.

Adding to 12242052557 its reverse (75525024221), we get a palindrome (87767076778).

The spelling of 12242052557 in words is "twelve billion, two hundred forty-two million, fifty-two thousand, five hundred fifty-seven".