27135027123012 has 42 divisors (see below), whose sum is σ = 71196876728558. Its totient is φ = 9045009040032.

The previous prime is 27135027122977. The next prime is 27135027123019. The reversal of 27135027123012 is 21032172053172.

27135027123012 is a `hidden beast` number, since 2 + 7 + 1 + 350 + 2 + 71 + 230 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14341929481476 + 12793097641536 = 3787074^2 + 3576744^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (27135027123019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4652779513 + ... + 4652785344.

Almost surely, 2^{27135027123012} is an apocalyptic number.

It is an amenable number.

27135027123012 is an abundant number, since it is smaller than the sum of its proper divisors (44061849605546).

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

27135027123012 is an equidigital number, since it uses as much as digits as its factorization.

27135027123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9305564879 (or 9305564862 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

Adding to 27135027123012 its reverse (21032172053172), we get a palindrome (48167199176184).

The spelling of 27135027123012 in words is "twenty-seven trillion, one hundred thirty-five billion, twenty-seven million, one hundred twenty-three thousand, twelve".