30212002 has 8 divisors (see below), whose sum is σ = 45461916. Its totient is φ = 15058032.

The previous prime is 30211963. The next prime is 30212003. The reversal of 30212002 is 20021203.

It can be written as a sum of positive squares in 2 ways, for example, as 26327161 + 3884841 = 5131^2 + 1971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30212002.

It is not an unprimeable number, because it can be changed into a prime (30212003) 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, 23193 + ... + 24460.

Almost surely, 2^30212002 is an apocalyptic number.

30212002 is a deficient number, since it is larger than the sum of its proper divisors (15249914).

30212002 is a wasteful number, since it uses less digits than its factorization.

30212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47972.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 30212002 is about 5496.5445508974. The cubic root of 30212002 is about 311.4534659921.

Adding to 30212002 its reverse (20021203), we get a palindrome (50233205).

The spelling of 30212002 in words is "thirty million, two hundred twelve thousand, two".