12042404025 has 24 divisors (see below), whose sum is σ = 19915287840. Its totient is φ = 6420944640.

The previous prime is 12042404021. The next prime is 12042404069. The reversal of 12042404025 is 52040424021.

It is a happy number.

It is not a de Polignac number, because 12042404025 - 2² = 12042404021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12042403986 and 12042404004.

It is not an unprimeable number, because it can be changed into a prime (12042404021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302481 + ... + 339969.

It is an arithmetic number, because the mean of its divisors is an integer number (829803660).

Almost surely, 2^12042404025 is an apocalyptic number.

12042404025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12042404025 is a deficient number, since it is larger than the sum of its proper divisors (7872883815).

12042404025 is a wasteful number, since it uses less digits than its factorization.

12042404025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41785 (or 41780 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 12042404025 its reverse (52040424021), we get a palindrome (64082828046).

The spelling of 12042404025 in words is "twelve billion, forty-two million, four hundred four thousand, twenty-five".