127212223255253 has 4 divisors (see below), whose sum is σ = 129297669538188. Its totient is φ = 125126776972320.

The previous prime is 127212223255207. The next prime is 127212223255261. The reversal of 127212223255253 is 352552322212721.

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 3812517889489 + 123399705365764 = 1952567^2 + 11108542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127212223255253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127212223255283) 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, 1042723141376 + ... + 1042723141497.

It is an arithmetic number, because the mean of its divisors is an integer number (32324417384547).

Almost surely, 2^{127212223255253} is an apocalyptic number.

It is an amenable number.

127212223255253 is a deficient number, since it is larger than the sum of its proper divisors (2085446282935).

127212223255253 is an equidigital number, since it uses as much as digits as its factorization.

127212223255253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085446282934.

The product of its digits is 1008000, while the sum is 44.

Adding to 127212223255253 its reverse (352552322212721), we get a palindrome (479764545467974).

The spelling of 127212223255253 in words is "one hundred twenty-seven trillion, two hundred twelve billion, two hundred twenty-three million, two hundred fifty-five thousand, two hundred fifty-three".