30021212001 has 16 divisors (see below), whose sum is σ = 45565793280. Its totient is φ = 17403600720.

The previous prime is 30021211993. The next prime is 30021212009. The reversal of 30021212001 is 10021212003.

It is an interprime number because it is at equal distance from previous prime (30021211993) and next prime (30021212009).

It is not a de Polignac number, because 30021212001 - 2³ = 30021211993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30021212009) 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, 19776061 + ... + 19777578.

It is an arithmetic number, because the mean of its divisors is an integer number (2847862080).

Almost surely, 2^30021212001 is an apocalyptic number.

It is an amenable number.

30021212001 is a deficient number, since it is larger than the sum of its proper divisors (15544581279).

30021212001 is a wasteful number, since it uses less digits than its factorization.

30021212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39553676.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30021212001 its reverse (10021212003), we get a palindrome (40042424004).

It can be divided in two parts, 300212 and 12001, that added together give a palindrome (312213).

The spelling of 30021212001 in words is "thirty billion, twenty-one million, two hundred twelve thousand, one".