12181054212530 has 16 divisors (see below), whose sum is σ = 25058168665920. Its totient is φ = 4176361444272.

The previous prime is 12181054212451. The next prime is 12181054212599. The reversal of 12181054212530 is 3521245018121.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 87007530020 + ... + 87007530159.

It is an arithmetic number, because the mean of its divisors is an integer number (1566135541620).

Almost surely, 2^{12181054212530} is an apocalyptic number.

12181054212530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12181054212530 is an abundant number, since it is smaller than the sum of its proper divisors (12877114453390).

12181054212530 is a wasteful number, since it uses less digits than its factorization.

12181054212530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174015060193.

The product of its (nonzero) digits is 19200, while the sum is 35.

The spelling of 12181054212530 in words is "twelve trillion, one hundred eighty-one billion, fifty-four million, two hundred twelve thousand, five hundred thirty".