30212011213331 has 4 divisors (see below), whose sum is σ = 30219528513000. Its totient is φ = 30204493913664.

The previous prime is 30212011213253. The next prime is 30212011213333. The reversal of 30212011213331 is 13331211021203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30212011213331 is a prime.

It is a super-2 number, since 2×30212011213331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30212011213297 and 30212011213306.

It is not an unprimeable number, because it can be changed into a prime (30212011213333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3758643806 + ... + 3758651843.

It is an arithmetic number, because the mean of its divisors is an integer number (7554882128250).

Almost surely, 2^{30212011213331} is an apocalyptic number.

30212011213331 is a deficient number, since it is larger than the sum of its proper divisors (7517299669).

30212011213331 is an equidigital number, since it uses as much as digits as its factorization.

30212011213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517299668.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 30212011213331 its reverse (13331211021203), we get a palindrome (43543222234534).

The spelling of 30212011213331 in words is "thirty trillion, two hundred twelve billion, eleven million, two hundred thirteen thousand, three hundred thirty-one".