30012312043 has 16 divisors (see below), whose sum is σ = 34777564416. Its totient is φ = 25367657760.

The previous prime is 30012312041. The next prime is 30012312047. The reversal of 30012312043 is 34021321003.

It is a cyclic number.

It is not a de Polignac number, because 30012312043 - 2¹ = 30012312041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30012312043.

It is not an unprimeable number, because it can be changed into a prime (30012312041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266580 + ... + 362062.

It is an arithmetic number, because the mean of its divisors is an integer number (2173597776).

Almost surely, 2^30012312043 is an apocalyptic number.

30012312043 is a deficient number, since it is larger than the sum of its proper divisors (4765252373).

30012312043 is an equidigital number, since it uses as much as digits as its factorization.

30012312043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96114.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30012312043 its reverse (34021321003), we get a palindrome (64033633046).

The spelling of 30012312043 in words is "thirty billion, twelve million, three hundred twelve thousand, forty-three".