30641212 has 24 divisors (see below), whose sum is σ = 61457760. Its totient is φ = 13094400.

The previous prime is 30641203. The next prime is 30641213. The reversal of 30641212 is 21214603.

It is a self number, because there is not a number n which added to its sum of digits gives 30641212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30641213) 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 7 ways as a sum of consecutive naturals, for example, 9864 + ... + 12592.

It is an arithmetic number, because the mean of its divisors is an integer number (2560740).

Almost surely, 2^30641212 is an apocalyptic number.

It is an amenable number.

30641212 is an abundant number, since it is smaller than the sum of its proper divisors (30816548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30641212 is a wasteful number, since it uses less digits than its factorization.

30641212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141 (or 3139 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 30641212 is about 5535.4504785067. The cubic root of 30641212 is about 312.9214350272.

Adding to 30641212 its reverse (21214603), we get a palindrome (51855815).

The spelling of 30641212 in words is "thirty million, six hundred forty-one thousand, two hundred twelve".