255242052122 has 4 divisors (see below), whose sum is σ = 382863078186. Its totient is φ = 127621026060.

The previous prime is 255242052119. The next prime is 255242052139. The reversal of 255242052122 is 221250242552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 188113905841 + 67128146281 = 433721^2 + 259091^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63810513029 + ... + 63810513032.

Almost surely, 2^255242052122 is an apocalyptic number.

255242052122 is a deficient number, since it is larger than the sum of its proper divisors (127621026064).

255242052122 is a wasteful number, since it uses less digits than its factorization.

255242052122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127621026063.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 255242052122 its reverse (221250242552), we get a palindrome (476492294674).

The spelling of 255242052122 in words is "two hundred fifty-five billion, two hundred forty-two million, fifty-two thousand, one hundred twenty-two".