30212011 has 4 divisors (see below), whose sum is σ = 31186624. Its totient is φ = 29237400.

The previous prime is 30212003. The next prime is 30212051. The reversal of 30212011 is 11021203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11021203 = 1433 ⋅7691.

It is a cyclic number.

It is not a de Polignac number, because 30212011 - 2³ = 30212003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30212051) 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, 487260 + ... + 487321.

It is an arithmetic number, because the mean of its divisors is an integer number (7796656).

Almost surely, 2^30212011 is an apocalyptic number.

30212011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30212011 is a deficient number, since it is larger than the sum of its proper divisors (974613).

30212011 is an equidigital number, since it uses as much as digits as its factorization.

30212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974612.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 30212011 is about 5496.5453695935. The cubic root of 30212011 is about 311.4534969188.

Adding to 30212011 its reverse (11021203), we get a palindrome (41233214).

The spelling of 30212011 in words is "thirty million, two hundred twelve thousand, eleven".