27145071302124 has 12 divisors (see below), whose sum is σ = 63338499704984. Its totient is φ = 9048357100704.

The previous prime is 27145071302123. The next prime is 27145071302161. The reversal of 27145071302124 is 42120317054172.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×27145071302124² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27145071302123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131044637577 + ... + 1131044637600.

Almost surely, 2^{27145071302124} is an apocalyptic number.

It is an amenable number.

27145071302124 is an abundant number, since it is smaller than the sum of its proper divisors (36193428402860).

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

27145071302124 is a wasteful number, since it uses less digits than its factorization.

27145071302124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262089275184 (or 2262089275182 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

Adding to 27145071302124 its reverse (42120317054172), we get a palindrome (69265388356296).

The spelling of 27145071302124 in words is "twenty-seven trillion, one hundred forty-five billion, seventy-one million, three hundred two thousand, one hundred twenty-four".