255121536012 has 48 divisors (see below), whose sum is σ = 680644124160. Its totient is φ = 72857578752.

The previous prime is 255121536001. The next prime is 255121536017. The reversal of 255121536012 is 210635121552.

It is not an unprimeable number, because it can be changed into a prime (255121536017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534448 + ... + 892119.

It is an arithmetic number, because the mean of its divisors is an integer number (14180085920).

Almost surely, 2^255121536012 is an apocalyptic number.

It is an amenable number.

255121536012 is an abundant number, since it is smaller than the sum of its proper divisors (425522588148).

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

255121536012 is a wasteful number, since it uses less digits than its factorization.

255121536012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428710 (or 1428708 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 255121536012 its reverse (210635121552), we get a palindrome (465756657564).

The spelling of 255121536012 in words is "two hundred fifty-five billion, one hundred twenty-one million, five hundred thirty-six thousand, twelve".