30212213240309 has 4 divisors (see below), whose sum is σ = 30494570373504. Its totient is φ = 29929856107116.

The previous prime is 30212213240291. The next prime is 30212213240323. The reversal of 30212213240309 is 90304231221203.

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 a de Polignac number, because none of the positive numbers 2^k-30212213240309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212213240509) 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, 141178566437 + ... + 141178566650.

It is an arithmetic number, because the mean of its divisors is an integer number (7623642593376).

Almost surely, 2^{30212213240309} is an apocalyptic number.

It is an amenable number.

30212213240309 is a deficient number, since it is larger than the sum of its proper divisors (282357133195).

30212213240309 is a wasteful number, since it uses less digits than its factorization.

30212213240309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282357133194.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 30212213240309 in words is "thirty trillion, two hundred twelve billion, two hundred thirteen million, two hundred forty thousand, three hundred nine".