12013334020 has 24 divisors (see below), whose sum is σ = 25314116184. Its totient is φ = 4788930816.

The previous prime is 12013333999. The next prime is 12013334057. The reversal of 12013334020 is 2043331021.

It can be written as a sum of positive squares in 4 ways, for example, as 1372998916 + 10640335104 = 37054^2 + 103152^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019169 + ... + 1030888.

It is an arithmetic number, because the mean of its divisors is an integer number (1054754841).

Almost surely, 2^12013334020 is an apocalyptic number.

12013334020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013334020 is an abundant number, since it is smaller than the sum of its proper divisors (13300782164).

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

12013334020 is a wasteful number, since it uses less digits than its factorization.

12013334020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050359 (or 2050357 counting only the distinct ones).

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

Adding to 12013334020 its reverse (2043331021), we get a palindrome (14056665041).

The spelling of 12013334020 in words is "twelve billion, thirteen million, three hundred thirty-four thousand, twenty".