30012312133 has 8 divisors (see below), whose sum is σ = 30750886656. Its totient is φ = 29274050400.

The previous prime is 30012312107. The next prime is 30012312149. The reversal of 30012312133 is 33121321003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30012312133 - 2⁹ = 30012311621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30012312133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012312833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122310 + ... + 273832.

It is an arithmetic number, because the mean of its divisors is an integer number (3843860832).

Almost surely, 2^30012312133 is an apocalyptic number.

It is an amenable number.

30012312133 is a deficient number, since it is larger than the sum of its proper divisors (738574523).

30012312133 is a wasteful number, since it uses less digits than its factorization.

30012312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156395.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30012312133 its reverse (33121321003), we get a palindrome (63133633136).

The spelling of 30012312133 in words is "thirty billion, twelve million, three hundred twelve thousand, one hundred thirty-three".