127222307268 has 48 divisors (see below), whose sum is σ = 339391610880. Its totient is φ = 36335074464.

The previous prime is 127222307263. The next prime is 127222307297. The reversal of 127222307268 is 862703222721.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (127222307263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76996 + ... + 510267.

It is an arithmetic number, because the mean of its divisors is an integer number (7070658560).

Almost surely, 2^127222307268 is an apocalyptic number.

It is an amenable number.

127222307268 is an abundant number, since it is smaller than the sum of its proper divisors (212169303612).

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

127222307268 is a wasteful number, since it uses less digits than its factorization.

127222307268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589856 (or 589854 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

Adding to 127222307268 its reverse (862703222721), we get a palindrome (989925529989).

The spelling of 127222307268 in words is "one hundred twenty-seven billion, two hundred twenty-two million, three hundred seven thousand, two hundred sixty-eight".