30212133203143 has 2 divisors, whose sum is σ = 30212133203144. Its totient is φ = 30212133203142.

The previous prime is 30212133203123. The next prime is 30212133203171. The reversal of 30212133203143 is 34130233121203.

It is an a-pointer prime, because the next prime (30212133203171) can be obtained adding 30212133203143 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30212133203143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30212133203123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106066601571 + 15106066601572.

It is an arithmetic number, because the mean of its divisors is an integer number (15106066601572).

Almost surely, 2^{30212133203143} is an apocalyptic number.

30212133203143 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212133203143 is an equidigital number, since it uses as much as digits as its factorization.

30212133203143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 30212133203143 its reverse (34130233121203), we get a palindrome (64342366324346).

The spelling of 30212133203143 in words is "thirty trillion, two hundred twelve billion, one hundred thirty-three million, two hundred three thousand, one hundred forty-three".