30212133020323 has 4 divisors (see below), whose sum is σ = 30212495329120. Its totient is φ = 30211770711528.

The previous prime is 30212133020297. The next prime is 30212133020347. The reversal of 30212133020323 is 32302033121203.

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-30212133020323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30212133020393) 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, 181029288 + ... + 181196101.

It is an arithmetic number, because the mean of its divisors is an integer number (7553123832280).

Almost surely, 2^{30212133020323} is an apocalyptic number.

30212133020323 is a deficient number, since it is larger than the sum of its proper divisors (362308797).

30212133020323 is an equidigital number, since it uses as much as digits as its factorization.

30212133020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362308796.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30212133020323 its reverse (32302033121203), we get a palindrome (62514166141526).

The spelling of 30212133020323 in words is "thirty trillion, two hundred twelve billion, one hundred thirty-three million, twenty thousand, three hundred twenty-three".