12182771480 has 32 divisors (see below), whose sum is σ = 29903167440. Its totient is φ = 4430098560.

The previous prime is 12182771477. The next prime is 12182771507. The reversal of 12182771480 is 8417728121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13843619 + ... + 13844498.

Almost surely, 2^12182771480 is an apocalyptic number.

12182771480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12182771480 is an abundant number, since it is smaller than the sum of its proper divisors (17720395960).

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

12182771480 is a wasteful number, since it uses less digits than its factorization.

12182771480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27688139 (or 27688135 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 41.

The spelling of 12182771480 in words is "twelve billion, one hundred eighty-two million, seven hundred seventy-one thousand, four hundred eighty".