12042040000 has 70 divisors (see below), whose sum is σ = 29860444724. Its totient is φ = 4816800000.

The previous prime is 12042039983. The next prime is 12042040009. The reversal of 12042040000 is 4024021.

It is not an unprimeable number, because it can be changed into a prime (12042040009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 110526 + ... + 190525.

Almost surely, 2^12042040000 is an apocalyptic number.

12042040000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12042040000 is an abundant number, since it is smaller than the sum of its proper divisors (17818404724).

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

12042040000 is an frugal number, since it uses more digits than its factorization.

12042040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301083 (or 301058 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 12042040000 its reverse (4024021), we get a palindrome (12046064021).

The spelling of 12042040000 in words is "twelve billion, forty-two million, forty thousand".