12013313040 has 80 divisors (see below), whose sum is σ = 41379196800. Its totient is φ = 3203549568.

The previous prime is 12013313033. The next prime is 12013313051. The reversal of 12013313040 is 4031331021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 2778700 + ... + 2783019.

It is an arithmetic number, because the mean of its divisors is an integer number (517239960).

Almost surely, 2^12013313040 is an apocalyptic number.

12013313040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013313040 is an abundant number, since it is smaller than the sum of its proper divisors (29365883760).

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

12013313040 is a wasteful number, since it uses less digits than its factorization.

12013313040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561741 (or 5561729 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12013313040 its reverse (4031331021), we get a palindrome (16044644061).

The spelling of 12013313040 in words is "twelve billion, thirteen million, three hundred thirteen thousand, forty".