127209230652 has 144 divisors (see below), whose sum is σ = 349177463712. Its totient is φ = 35937054720.

The previous prime is 127209230651. The next prime is 127209230669. The reversal of 127209230652 is 256032902721.

It is a self number, because there is not a number n which added to its sum of digits gives 127209230652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127209230651) 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 47 ways as a sum of consecutive naturals, for example, 30628608 + ... + 30632760.

It is an arithmetic number, because the mean of its divisors is an integer number (2424843498).

Almost surely, 2^127209230652 is an apocalyptic number.

127209230652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127209230652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174588731856).

127209230652 is an abundant number, since it is smaller than the sum of its proper divisors (221968233060).

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

127209230652 is a wasteful number, since it uses less digits than its factorization.

127209230652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748 (or 4739 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 127209230652 in words is "one hundred twenty-seven billion, two hundred nine million, two hundred thirty thousand, six hundred fifty-two".