127232720364147 has 16 divisors (see below), whose sum is σ = 174193884084480. Its totient is φ = 82574600797152.

The previous prime is 127232720364107. The next prime is 127232720364157. The reversal of 127232720364147 is 741463027232721.

It is a de Polignac number, because none of the positive numbers 2^k-127232720364147 is a prime.

It is a super-2 number, since 2×127232720364147² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127232720364147.

It is not an unprimeable number, because it can be changed into a prime (127232720364107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3489442588 + ... + 3489479049.

It is an arithmetic number, because the mean of its divisors is an integer number (10887117755280).

Almost surely, 2^{127232720364147} is an apocalyptic number.

127232720364147 is a deficient number, since it is larger than the sum of its proper divisors (46961163720333).

127232720364147 is a wasteful number, since it uses less digits than its factorization.

127232720364147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6978921802.

The product of its (nonzero) digits is 4741632, while the sum is 51.

Adding to 127232720364147 its reverse (741463027232721), we get a palindrome (868695747596868).

The spelling of 127232720364147 in words is "one hundred twenty-seven trillion, two hundred thirty-two billion, seven hundred twenty million, three hundred sixty-four thousand, one hundred forty-seven".