12073660040 has 32 divisors (see below), whose sum is σ = 29255408280. Its totient is φ = 4457966592.

The previous prime is 12073660031. The next prime is 12073660057. The reversal of 12073660040 is 4006637021.

It can be written as a sum of positive squares in 4 ways, for example, as 6099297604 + 5974362436 = 78098^2 + 77294^2 .

It is a super-2 number, since 2×12073660040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12073659985 and 12073660012.

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, 11608769 + ... + 11609808.

Almost surely, 2^12073660040 is an apocalyptic number.

12073660040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12073660040 is an abundant number, since it is smaller than the sum of its proper divisors (17181748240).

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

12073660040 is a wasteful number, since it uses less digits than its factorization.

12073660040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23218601 (or 23218597 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The spelling of 12073660040 in words is "twelve billion, seventy-three million, six hundred sixty thousand, forty".