127807212 has 48 divisors (see below), whose sum is σ = 323735552. Its totient is φ = 39009600.

The previous prime is 127807201. The next prime is 127807219. The reversal of 127807212 is 212708721.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 127807212.

It is not an unprimeable number, because it can be changed into a prime (127807219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16587 + ... + 23037.

Almost surely, 2^127807212 is an apocalyptic number.

127807212 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 127807212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161867776).

127807212 is an abundant number, since it is smaller than the sum of its proper divisors (195928340).

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

127807212 is a wasteful number, since it uses less digits than its factorization.

127807212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6598 (or 6596 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 127807212 is about 11305.1851820304. The cubic root of 127807212 is about 503.7152744280.

The spelling of 127807212 in words is "one hundred twenty-seven million, eight hundred seven thousand, two hundred twelve".