272197906812 has 96 divisors (see below), whose sum is σ = 763011567360. Its totient is φ = 83419416000.

The previous prime is 272197906789. The next prime is 272197906819. The reversal of 272197906812 is 218609791272.

272197906812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272197906819) 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 31 ways as a sum of consecutive naturals, for example, 33798 + ... + 738605.

It is an arithmetic number, because the mean of its divisors is an integer number (7948037160).

Almost surely, 2^272197906812 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 272197906812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381505783680).

272197906812 is an abundant number, since it is smaller than the sum of its proper divisors (490813660548).

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

272197906812 is a wasteful number, since it uses less digits than its factorization.

272197906812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772680 (or 772672 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 272197906812 in words is "two hundred seventy-two billion, one hundred ninety-seven million, nine hundred six thousand, eight hundred twelve".