25203414212 has 12 divisors (see below), whose sum is σ = 44111084220. Its totient is φ = 12600247296.

The previous prime is 25203414211. The next prime is 25203414227. The reversal of 25203414212 is 21241430252.

It can be written as a sum of positive squares in 2 ways, for example, as 5889641536 + 19313772676 = 76744^2 + 138974^2 .

It is not an unprimeable number, because it can be changed into a prime (25203414211) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 325637 + ... + 395532.

It is an arithmetic number, because the mean of its divisors is an integer number (3675923685).

Almost surely, 2^25203414212 is an apocalyptic number.

It is an amenable number.

25203414212 is a deficient number, since it is larger than the sum of its proper divisors (18907670008).

25203414212 is a wasteful number, since it uses less digits than its factorization.

25203414212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729910 (or 729908 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 25203414212 its reverse (21241430252), we get a palindrome (46444844464).

The spelling of 25203414212 in words is "twenty-five billion, two hundred three million, four hundred fourteen thousand, two hundred twelve".