30212220201 has 4 divisors (see below), whose sum is σ = 40282960272. Its totient is φ = 20141480132.

The previous prime is 30212220151. The next prime is 30212220209. The reversal of 30212220201 is 10202221203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30212220201 - 2⁹ = 30212219689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30212220209) 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, 5035370031 + ... + 5035370036.

It is an arithmetic number, because the mean of its divisors is an integer number (10070740068).

Almost surely, 2^30212220201 is an apocalyptic number.

It is an amenable number.

30212220201 is a deficient number, since it is larger than the sum of its proper divisors (10070740071).

30212220201 is a wasteful number, since it uses less digits than its factorization.

30212220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10070740070.

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

Adding to 30212220201 its reverse (10202221203), we get a palindrome (40414441404).

It can be divided in two parts, 3021 and 2220201, that added together give a palindrome (2223222).

The spelling of 30212220201 in words is "thirty billion, two hundred twelve million, two hundred twenty thousand, two hundred one".