301212213 has 16 divisors (see below), whose sum is σ = 415166976. Its totient is φ = 194051520.

The previous prime is 301212211. The next prime is 301212253. The reversal of 301212213 is 312212103.

It is not a de Polignac number, because 301212213 - 2¹ = 301212211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 301212192 and 301212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301212211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77431 + ... + 81227.

It is an arithmetic number, because the mean of its divisors is an integer number (25947936).

Almost surely, 2^301212213 is an apocalyptic number.

It is an amenable number.

301212213 is a deficient number, since it is larger than the sum of its proper divisors (113954763).

301212213 is a wasteful number, since it uses less digits than its factorization.

301212213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 301212213 is about 17355.4663722990. The cubic root of 301212213 is about 670.3333998222. Note that the first 4 decimals are identical.

Adding to 301212213 its reverse (312212103), we get a palindrome (613424316).

It can be divided in two parts, 3012 and 12213, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 301212213 in words is "three hundred one million, two hundred twelve thousand, two hundred thirteen".