12180250320677 has 16 divisors (see below), whose sum is σ = 13891575002112. Its totient is φ = 10611619772160.

The previous prime is 12180250320649. The next prime is 12180250320701. The reversal of 12180250320677 is 77602305208121.

It is a cyclic number.

It is not a de Polignac number, because 12180250320677 - 2⁶ = 12180250320613 is a prime.

It is a super-2 number, since 2×12180250320677² (a number of 27 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 (12180250329677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502431998 + ... + 502456239.

It is an arithmetic number, because the mean of its divisors is an integer number (868223437632).

Almost surely, 2^{12180250320677} is an apocalyptic number.

12180250320677 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12180250320677 is a deficient number, since it is larger than the sum of its proper divisors (1711324681435).

12180250320677 is a wasteful number, since it uses less digits than its factorization.

12180250320677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004888308.

The product of its (nonzero) digits is 282240, while the sum is 44.

Adding to 12180250320677 its reverse (77602305208121), we get a palindrome (89782555528798).

The spelling of 12180250320677 in words is "twelve trillion, one hundred eighty billion, two hundred fifty million, three hundred twenty thousand, six hundred seventy-seven".