30212321133 has 32 divisors (see below), whose sum is σ = 42391036800. Its totient is φ = 19112083200.

The previous prime is 30212321123. The next prime is 30212321159. The reversal of 30212321133 is 33112321203.

It is not a de Polignac number, because 30212321133 - 2¹⁶ = 30212255597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212321123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11360958 + ... + 11363616.

It is an arithmetic number, because the mean of its divisors is an integer number (1324719900).

Almost surely, 2^30212321133 is an apocalyptic number.

It is an amenable number.

30212321133 is a deficient number, since it is larger than the sum of its proper divisors (12178715667).

30212321133 is a wasteful number, since it uses less digits than its factorization.

30212321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30212321133 its reverse (33112321203), we get a palindrome (63324642336).

The spelling of 30212321133 in words is "thirty billion, two hundred twelve million, three hundred twenty-one thousand, one hundred thirty-three".