25144253013212 has 12 divisors (see below), whose sum is σ = 44210985157416. Its totient is φ = 12512542968240.

The previous prime is 25144253013211. The next prime is 25144253013233. The reversal of 25144253013212 is 21231035244152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25144253013211) 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, 14895883643 + ... + 14895885330.

It is an arithmetic number, because the mean of its divisors is an integer number (3684248763118).

Almost surely, 2^{25144253013212} is an apocalyptic number.

It is an amenable number.

25144253013212 is a deficient number, since it is larger than the sum of its proper divisors (19066732144204).

25144253013212 is a wasteful number, since it uses less digits than its factorization.

25144253013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29791769188 (or 29791769186 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 25144253013212 its reverse (21231035244152), we get a palindrome (46375288257364).

The spelling of 25144253013212 in words is "twenty-five trillion, one hundred forty-four billion, two hundred fifty-three million, thirteen thousand, two hundred twelve".