30212001 has 16 divisors (see below), whose sum is σ = 44953920. Its totient is φ = 20053440.

The previous prime is 30211963. The next prime is 30212003. The reversal of 30212001 is 10021203.

It is a happy number.

It is not a de Polignac number, because 30212001 - 2¹⁷ = 30080929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 4186 + ... + 8828.

It is an arithmetic number, because the mean of its divisors is an integer number (2809620).

Almost surely, 2^30212001 is an apocalyptic number.

It is an amenable number.

30212001 is a deficient number, since it is larger than the sum of its proper divisors (14741919).

30212001 is a wasteful number, since it uses less digits than its factorization.

30212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893 (or 4887 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 30212001 is about 5496.5444599312. The cubic root of 30212001 is about 311.4534625557.

Adding to 30212001 its reverse (10021203), we get a palindrome (40233204).

The spelling of 30212001 in words is "thirty million, two hundred twelve thousand, one".