12003534234 has 32 divisors (see below), whose sum is σ = 27177819840. Its totient is φ = 3925683216.

The previous prime is 12003534187. The next prime is 12003534253. The reversal of 12003534234 is 43243530021.

12003534234 is a `hidden beast` number, since 1 + 200 + 35 + 3 + 423 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12003534198 and 12003534207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094192 + ... + 2099915.

It is an arithmetic number, because the mean of its divisors is an integer number (849306870).

Almost surely, 2^12003534234 is an apocalyptic number.

12003534234 is an abundant number, since it is smaller than the sum of its proper divisors (15174285606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12003534234 is a wasteful number, since it uses less digits than its factorization.

12003534234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194171 (or 4194165 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The spelling of 12003534234 in words is "twelve billion, three million, five hundred thirty-four thousand, two hundred thirty-four".