12040222525 has 48 divisors (see below), whose sum is σ = 15825018880. Its totient is φ = 9072907200.

The previous prime is 12040222507. The next prime is 12040222531. The reversal of 12040222525 is 52522204021.

It is not a de Polignac number, because 12040222525 - 2²³ = 12031833917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 12040222525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14629264 + ... + 14630086.

Almost surely, 2^12040222525 is an apocalyptic number.

It is an amenable number.

12040222525 is a deficient number, since it is larger than the sum of its proper divisors (3784796355).

12040222525 is a wasteful number, since it uses less digits than its factorization.

12040222525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 12040222525 its reverse (52522204021), we get a palindrome (64562426546).

The spelling of 12040222525 in words is "twelve billion, forty million, two hundred twenty-two thousand, five hundred twenty-five".