3011012197 has 4 divisors (see below), whose sum is σ = 3012318540. Its totient is φ = 3009705856.

The previous prime is 3011012153. The next prime is 3011012209. The reversal of 3011012197 is 7912101103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1210622436 + 1800389761 = 34794^2 + 42431^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3011012197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011012297) 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 3 ways as a sum of consecutive naturals, for example, 649708 + ... + 654325.

It is an arithmetic number, because the mean of its divisors is an integer number (753079635).

Almost surely, 2^3011012197 is an apocalyptic number.

It is an amenable number.

3011012197 is a deficient number, since it is larger than the sum of its proper divisors (1306343).

3011012197 is a wasteful number, since it uses less digits than its factorization.

3011012197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306342.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 3011012197 is about 54872.6908124615. The cubic root of 3011012197 is about 1444.0121194914.

The spelling of 3011012197 in words is "three billion, eleven million, twelve thousand, one hundred ninety-seven".