30143234512 has 20 divisors (see below), whose sum is σ = 58406415520. Its totient is φ = 15070611168.

The previous prime is 30143234509. The next prime is 30143234519. The reversal of 30143234512 is 21543234103.

It is a happy number.

It is a super-2 number, since 2×30143234512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143234519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223939 + ... + 332317.

It is an arithmetic number, because the mean of its divisors is an integer number (2920320776).

Almost surely, 2^30143234512 is an apocalyptic number.

It is an amenable number.

30143234512 is a deficient number, since it is larger than the sum of its proper divisors (28263181008).

30143234512 is a wasteful number, since it uses less digits than its factorization.

30143234512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125770 (or 125764 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 30143234512 its reverse (21543234103), we get a palindrome (51686468615).

The spelling of 30143234512 in words is "thirty billion, one hundred forty-three million, two hundred thirty-four thousand, five hundred twelve".