12181147327052 has 24 divisors (see below), whose sum is σ = 23255008725312. Its totient is φ = 5536863458000.

The previous prime is 12181147327039. The next prime is 12181147327061. The reversal of 12181147327052 is 25072374118121.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 12181147326994 and 12181147327012.

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, 17750927 + ... + 18424377.

It is an arithmetic number, because the mean of its divisors is an integer number (968958696888).

Almost surely, 2^{12181147327052} is an apocalyptic number.

It is an amenable number.

12181147327052 is a deficient number, since it is larger than the sum of its proper divisors (11073861398260).

12181147327052 is a wasteful number, since it uses less digits than its factorization.

12181147327052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084549 (or 1084547 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 12181147327052 in words is "twelve trillion, one hundred eighty-one billion, one hundred forty-seven million, three hundred twenty-seven thousand, fifty-two".