30021212120133 has 64 divisors (see below), whose sum is σ = 44148879677952. Its totient is φ = 18033754152960.

The previous prime is 30021212120111. The next prime is 30021212120171. The reversal of 30021212120133 is 33102121212003.

It is not a de Polignac number, because 30021212120133 - 2¹⁷ = 30021211989061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021212160133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 293133291 + ... + 293235687.

It is an arithmetic number, because the mean of its divisors is an integer number (689826244968).

Almost surely, 2^{30021212120133} is an apocalyptic number.

It is an amenable number.

30021212120133 is a deficient number, since it is larger than the sum of its proper divisors (14127667557819).

30021212120133 is a wasteful number, since it uses less digits than its factorization.

30021212120133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103534.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30021212120133 its reverse (33102121212003), we get a palindrome (63123333332136).

The spelling of 30021212120133 in words is "thirty trillion, twenty-one billion, two hundred twelve million, one hundred twenty thousand, one hundred thirty-three".