12342073657 has 8 divisors (see below), whose sum is σ = 12377288000. Its totient is φ = 12306892464.

The previous prime is 12342073621. The next prime is 12342073669. The reversal of 12342073657 is 75637024321.

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 12342073657 - 2²⁷ = 12207855929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12342073607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865219 + ... + 879367.

It is an arithmetic number, because the mean of its divisors is an integer number (1547161000).

Almost surely, 2^12342073657 is an apocalyptic number.

It is an amenable number.

12342073657 is a deficient number, since it is larger than the sum of its proper divisors (35214343).

12342073657 is a wasteful number, since it uses less digits than its factorization.

12342073657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16575.

The product of its (nonzero) digits is 211680, while the sum is 40.

Adding to 12342073657 its reverse (75637024321), we get a palindrome (87979097978).

The spelling of 12342073657 in words is "twelve billion, three hundred forty-two million, seventy-three thousand, six hundred fifty-seven".