255012221030201 has 4 divisors (see below), whose sum is σ = 255092691914100. Its totient is φ = 254931750146304.

The previous prime is 255012221030191. The next prime is 255012221030207. The reversal of 255012221030201 is 102030122210552.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 228033556608400 + 26978664421801 = 15100780^2 + 5194099^2 .

It is a cyclic number.

It is not a de Polignac number, because 255012221030201 - 2²² = 255012216835897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255012221030207) 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, 40235437196 + ... + 40235443533.

It is an arithmetic number, because the mean of its divisors is an integer number (63773172978525).

Almost surely, 2^{255012221030201} is an apocalyptic number.

It is an amenable number.

255012221030201 is a deficient number, since it is larger than the sum of its proper divisors (80470883899).

255012221030201 is an equidigital number, since it uses as much as digits as its factorization.

255012221030201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80470883898.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 255012221030201 its reverse (102030122210552), we get a palindrome (357042343240753).

The spelling of 255012221030201 in words is "two hundred fifty-five trillion, twelve billion, two hundred twenty-one million, thirty thousand, two hundred one".