30203222021212 has 6 divisors (see below), whose sum is σ = 52855638537128. Its totient is φ = 15101611010604.

The previous prime is 30203222021183. The next prime is 30203222021221. The reversal of 30203222021212 is 21212022230203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3775402752648 + ... + 3775402752655.

Almost surely, 2^{30203222021212} is an apocalyptic number.

It is an amenable number.

30203222021212 is a deficient number, since it is larger than the sum of its proper divisors (22652416515916).

30203222021212 is a wasteful number, since it uses less digits than its factorization.

30203222021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550805505307 (or 7550805505305 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30203222021212 its reverse (21212022230203), we get a palindrome (51415244251415).

The spelling of 30203222021212 in words is "thirty trillion, two hundred three billion, two hundred twenty-two million, twenty-one thousand, two hundred twelve".