30213412 has 12 divisors (see below), whose sum is σ = 53180316. Its totient is φ = 15019040.

The previous prime is 30213397. The next prime is 30213413. The reversal of 30213412 is 21431203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27206656 + 3006756 = 5216^2 + 1734^2 .

It is not an unprimeable number, because it can be changed into a prime (30213413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21139 + ... + 22522.

It is an arithmetic number, because the mean of its divisors is an integer number (4431693).

Almost surely, 2^30213412 is an apocalyptic number.

It is an amenable number.

30213412 is a deficient number, since it is larger than the sum of its proper divisors (22966904).

30213412 is a wasteful number, since it uses less digits than its factorization.

30213412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43838 (or 43836 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30213412 is about 5496.6728118017. The cubic root of 30213412 is about 311.4583111146.

Adding to 30213412 its reverse (21431203), we get a palindrome (51644615).

It can be divided in two parts, 30213 and 412, that added together give a square (30625 = 175²).

The spelling of 30213412 in words is "thirty million, two hundred thirteen thousand, four hundred twelve".