4212190561 has 4 divisors (see below), whose sum is σ = 4226566932. Its totient is φ = 4197814192.

The previous prime is 4212190501. The next prime is 4212190597. The reversal of 4212190561 is 1650912124.

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 3408808225 + 803382336 = 58385^2 + 28344^2 .

It is a cyclic number.

It is not a de Polignac number, because 4212190561 - 2⁹ = 4212190049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4212190501) 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, 7187746 + ... + 7188331.

It is an arithmetic number, because the mean of its divisors is an integer number (1056641733).

Almost surely, 2^4212190561 is an apocalyptic number.

It is an amenable number.

4212190561 is a deficient number, since it is larger than the sum of its proper divisors (14376371).

4212190561 is a wasteful number, since it uses less digits than its factorization.

4212190561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14376370.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 4212190561 is about 64901.3910559704. The cubic root of 4212190561 is about 1614.9881382062.

The spelling of 4212190561 in words is "four billion, two hundred twelve million, one hundred ninety thousand, five hundred sixty-one".