4212105197 has 8 divisors (see below), whose sum is σ = 4331246232. Its totient is φ = 4093243200.

The previous prime is 4212105179. The next prime is 4212105221. The reversal of 4212105197 is 7915012124.

It can be written as a sum of positive squares in 4 ways, for example, as 2001130756 + 2210974441 = 44734^2 + 47021^2 .

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 4212105197 - 2⁶ = 4212105133 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 (4212105127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38954 + ... + 99707.

It is an arithmetic number, because the mean of its divisors is an integer number (541405779).

Almost surely, 2^4212105197 is an apocalyptic number.

It is an amenable number.

4212105197 is a deficient number, since it is larger than the sum of its proper divisors (119141035).

4212105197 is a wasteful number, since it uses less digits than its factorization.

4212105197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139519.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 4212105197 is about 64900.7334087990. The cubic root of 4212105197 is about 1614.9772283817.

The spelling of 4212105197 in words is "four billion, two hundred twelve million, one hundred five thousand, one hundred ninety-seven".