12041252400 has 120 divisors (see below), whose sum is σ = 39902334480. Its totient is φ = 3100267520.

The previous prime is 12041252381. The next prime is 12041252411. The reversal of 12041252400 is 425214021.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138207 + ... + 207806.

It is an arithmetic number, because the mean of its divisors is an integer number (332519454).

Almost surely, 2^12041252400 is an apocalyptic number.

12041252400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12041252400 is an abundant number, since it is smaller than the sum of its proper divisors (27861082080).

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

12041252400 is a wasteful number, since it uses less digits than its factorization.

12041252400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346063 (or 346052 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 12041252400 its reverse (425214021), we get a palindrome (12466466421).

The spelling of 12041252400 in words is "twelve billion, forty-one million, two hundred fifty-two thousand, four hundred".