275127501212 has 12 divisors (see below), whose sum is σ = 481481615160. Its totient is φ = 137561325456.

The previous prime is 275127501211. The next prime is 275127501217. The reversal of 275127501212 is 212105721572.

It is a happy number.

It is a super-2 number, since 2×275127501212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275127501211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337823 + ... + 815094.

It is an arithmetic number, because the mean of its divisors is an integer number (40123467930).

Almost surely, 2^275127501212 is an apocalyptic number.

It is an amenable number.

275127501212 is a deficient number, since it is larger than the sum of its proper divisors (206354113948).

275127501212 is a wasteful number, since it uses less digits than its factorization.

275127501212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212580 (or 1212578 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The spelling of 275127501212 in words is "two hundred seventy-five billion, one hundred twenty-seven million, five hundred one thousand, two hundred twelve".