255105301251212 has 6 divisors (see below), whose sum is σ = 446434277189628. Its totient is φ = 127552650625604.

The previous prime is 255105301251169. The next prime is 255105301251223. The reversal of 255105301251212 is 212152103501552.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31888162656398 + ... + 31888162656405.

It is an arithmetic number, because the mean of its divisors is an integer number (74405712864938).

Almost surely, 2^{255105301251212} is an apocalyptic number.

It is an amenable number.

255105301251212 is a deficient number, since it is larger than the sum of its proper divisors (191328975938416).

255105301251212 is a wasteful number, since it uses less digits than its factorization.

255105301251212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63776325312807 (or 63776325312805 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 35.

Adding to 255105301251212 its reverse (212152103501552), we get a palindrome (467257404752764).

The spelling of 255105301251212 in words is "two hundred fifty-five trillion, one hundred five billion, three hundred one million, two hundred fifty-one thousand, two hundred twelve".