12182177740 has 24 divisors (see below), whose sum is σ = 25584646752. Its totient is φ = 4872476160.

The previous prime is 12182177681. The next prime is 12182177741. The reversal of 12182177740 is 4777128121.

It is a junction number, because it is equal to n+sod(n) for n = 12182177693 and 12182177702.

It is not an unprimeable number, because it can be changed into a prime (12182177741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472380 + ... + 497500.

It is an arithmetic number, because the mean of its divisors is an integer number (1066026948).

Almost surely, 2^12182177740 is an apocalyptic number.

12182177740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12182177740 is an abundant number, since it is smaller than the sum of its proper divisors (13402469012).

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

12182177740 is a wasteful number, since it uses less digits than its factorization.

12182177740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49377 (or 49375 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 40.

The spelling of 12182177740 in words is "twelve billion, one hundred eighty-two million, one hundred seventy-seven thousand, seven hundred forty".