30120203234 has 16 divisors (see below), whose sum is σ = 49775605056. Its totient is φ = 13555446000.

The previous prime is 30120203231. The next prime is 30120203251. The reversal of 30120203234 is 43230202103.

It is not an unprimeable number, because it can be changed into a prime (30120203231) 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, 6775502 + ... + 6779945.

It is an arithmetic number, because the mean of its divisors is an integer number (3110975316).

Almost surely, 2^30120203234 is an apocalyptic number.

30120203234 is a deficient number, since it is larger than the sum of its proper divisors (19655401822).

30120203234 is a wasteful number, since it uses less digits than its factorization.

30120203234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13555561.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30120203234 its reverse (43230202103), we get a palindrome (73350405337).

The spelling of 30120203234 in words is "thirty billion, one hundred twenty million, two hundred three thousand, two hundred thirty-four".