12144501637 has 8 divisors (see below), whose sum is σ = 12445715520. Its totient is φ = 11843526240.

The previous prime is 12144501631. The next prime is 12144501659. The reversal of 12144501637 is 73610544121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12144501637 is a prime.

It is a super-2 number, since 2×12144501637² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144501631) 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, 45768 + ... + 162430.

It is an arithmetic number, because the mean of its divisors is an integer number (1555714440).

Almost surely, 2^12144501637 is an apocalyptic number.

It is an amenable number.

12144501637 is a deficient number, since it is larger than the sum of its proper divisors (301213883).

12144501637 is a wasteful number, since it uses less digits than its factorization.

12144501637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119243.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 12144501637 in words is "twelve billion, one hundred forty-four million, five hundred one thousand, six hundred thirty-seven".