265120260612 has 12 divisors (see below), whose sum is σ = 618613941456. Its totient is φ = 88373420200.

The previous prime is 265120260607. The next prime is 265120260649. The reversal of 265120260612 is 216062021562.

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

It is a super-2 number, since 2×265120260612² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11046677514 + ... + 11046677537.

It is an arithmetic number, because the mean of its divisors is an integer number (51551161788).

Almost surely, 2^265120260612 is an apocalyptic number.

It is an amenable number.

265120260612 is an abundant number, since it is smaller than the sum of its proper divisors (353493680844).

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

265120260612 is a wasteful number, since it uses less digits than its factorization.

265120260612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22093355058 (or 22093355056 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 265120260612 in words is "two hundred sixty-five billion, one hundred twenty million, two hundred sixty thousand, six hundred twelve".