2012547197 has 8 divisors (see below), whose sum is σ = 2095433592. Its totient is φ = 1931270400.

The previous prime is 2012547169. The next prime is 2012547209. The reversal of 2012547197 is 7917452102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14546596 + 1998000601 = 3814^2 + 44699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012547197 - 2¹⁴ = 2012530813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012547197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012547167) 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 7 ways as a sum of consecutive naturals, for example, 399848 + ... + 404849.

It is an arithmetic number, because the mean of its divisors is an integer number (261929199).

Almost surely, 2^2012547197 is an apocalyptic number.

It is an amenable number.

2012547197 is a deficient number, since it is larger than the sum of its proper divisors (82886395).

2012547197 is an equidigital number, since it uses as much as digits as its factorization.

2012547197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804799.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 2012547197 is about 44861.4221464278. The cubic root of 2012547197 is about 1262.5503055078.

Adding to 2012547197 its reverse (7917452102), we get a palindrome (9929999299).

The spelling of 2012547197 in words is "two billion, twelve million, five hundred forty-seven thousand, one hundred ninety-seven".