12013505034 has 32 divisors (see below), whose sum is σ = 24598785024. Its totient is φ = 3909304560.

The previous prime is 12013505017. The next prime is 12013505059. The reversal of 12013505034 is 43050531021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12013504995 and 12013505013.

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, 520969 + ... + 543539.

It is an arithmetic number, because the mean of its divisors is an integer number (768712032).

Almost surely, 2^12013505034 is an apocalyptic number.

12013505034 is an abundant number, since it is smaller than the sum of its proper divisors (12585279990).

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

12013505034 is a wasteful number, since it uses less digits than its factorization.

12013505034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24682.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 12013505034 in words is "twelve billion, thirteen million, five hundred five thousand, thirty-four".