212030315 has 16 divisors (see below), whose sum is σ = 291142080. Its totient is φ = 145213440.

The previous prime is 212030309. The next prime is 212030317. The reversal of 212030315 is 513030212.

It is a de Polignac number, because none of the positive numbers 2^k-212030315 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212030293 and 212030302.

It is not an unprimeable number, because it can be changed into a prime (212030317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29255 + ... + 35775.

It is an arithmetic number, because the mean of its divisors is an integer number (18196380).

Almost surely, 2^212030315 is an apocalyptic number.

212030315 is a deficient number, since it is larger than the sum of its proper divisors (79111765).

212030315 is an equidigital number, since it uses as much as digits as its factorization.

212030315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7462.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 212030315 is about 14561.2607627224. The cubic root of 212030315 is about 596.3016158379.

Adding to 212030315 its reverse (513030212), we get a palindrome (725060527).

The spelling of 212030315 in words is "two hundred twelve million, thirty thousand, three hundred fifteen".