25200012 has 12 divisors (see below), whose sum is σ = 58800056. Its totient is φ = 8400000.

The previous prime is 25200011. The next prime is 25200013. The reversal of 25200012 is 21000252.

It is an interprime number because it is at equal distance from previous prime (25200011) and next prime (25200013).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 2100001 = 25200012 / (2 + 5 + 2 + 0 + 0 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (25200011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049989 + ... + 1050012.

Almost surely, 2^25200012 is an apocalyptic number.

It is an amenable number.

25200012 is an abundant number, since it is smaller than the sum of its proper divisors (33600044).

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

25200012 is a wasteful number, since it uses less digits than its factorization.

25200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100008 (or 2100006 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 25200012 is about 5019.9613544329. The cubic root of 25200012 is about 293.1794883121.

Adding to 25200012 its reverse (21000252), we get a palindrome (46200264).

The spelling of 25200012 in words is "twenty-five million, two hundred thousand, twelve".