127713221474272 has 96 divisors (see below), whose sum is σ = 297493810629120. Its totient is φ = 52805911979520.

The previous prime is 127713221474269. The next prime is 127713221474287. The reversal of 127713221474272 is 272474122317721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771973 + ... + 16000699.

It is an arithmetic number, because the mean of its divisors is an integer number (3098893860720).

Almost surely, 2^{127713221474272} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127713221474272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148746905314560).

127713221474272 is an abundant number, since it is smaller than the sum of its proper divisors (169780589154848).

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

127713221474272 is a wasteful number, since it uses less digits than its factorization.

127713221474272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15230064 (or 15230056 counting only the distinct ones).

The product of its digits is 3687936, while the sum is 52.

The spelling of 127713221474272 in words is "one hundred twenty-seven trillion, seven hundred thirteen billion, two hundred twenty-one million, four hundred seventy-four thousand, two hundred seventy-two".