30212412 has 12 divisors (see below), whose sum is σ = 70495656. Its totient is φ = 10070800.

The previous prime is 30212401. The next prime is 30212423. The reversal of 30212412 is 21421203.

It is an interprime number because it is at equal distance from previous prime (30212401) and next prime (30212423).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 30212391 and 30212400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258839 + ... + 1258862.

It is an arithmetic number, because the mean of its divisors is an integer number (5874638).

Almost surely, 2^30212412 is an apocalyptic number.

It is an amenable number.

30212412 is an abundant number, since it is smaller than the sum of its proper divisors (40283244).

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

30212412 is a wasteful number, since it uses less digits than its factorization.

30212412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517708 (or 2517706 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 30212412 is about 5496.5818469300. The cubic root of 30212412 is about 311.4548748730.

Adding to 30212412 its reverse (21421203), we get a palindrome (51633615).

The spelling of 30212412 in words is "thirty million, two hundred twelve thousand, four hundred twelve".