30302133212 has 12 divisors (see below), whose sum is σ = 57107866536. Its totient is φ = 13985599920.

The previous prime is 30302133203. The next prime is 30302133241. The reversal of 30302133212 is 21233120303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291366614 + ... + 291366717.

It is an arithmetic number, because the mean of its divisors is an integer number (4758988878).

Almost surely, 2^30302133212 is an apocalyptic number.

It is an amenable number.

30302133212 is a deficient number, since it is larger than the sum of its proper divisors (26805733324).

30302133212 is a wasteful number, since it uses less digits than its factorization.

30302133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582733348 (or 582733346 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30302133212 its reverse (21233120303), we get a palindrome (51535253515).

The spelling of 30302133212 in words is "thirty billion, three hundred two million, one hundred thirty-three thousand, two hundred twelve".