12180551080 has 16 divisors (see below), whose sum is σ = 27406240020. Its totient is φ = 4872220416.

The previous prime is 12180551063. The next prime is 12180551081. The reversal of 12180551080 is 8015508121.

It can be written as a sum of positive squares in 2 ways, for example, as 11711135524 + 469415556 = 108218^2 + 21666^2 .

It is a super-2 number, since 2×12180551080² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12180551081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152256849 + ... + 152256928.

Almost surely, 2^12180551080 is an apocalyptic number.

12180551080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12180551080 is an abundant number, since it is smaller than the sum of its proper divisors (15225688940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12180551080 is a wasteful number, since it uses less digits than its factorization.

12180551080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304513788 (or 304513784 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 31.

The spelling of 12180551080 in words is "twelve billion, one hundred eighty million, five hundred fifty-one thousand, eighty".