12506120254 has 16 divisors (see below), whose sum is σ = 20032053120. Its totient is φ = 5842680480.

The previous prime is 12506120251. The next prime is 12506120267. The reversal of 12506120254 is 45202160521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12506120251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3475989 + ... + 3479584.

It is an arithmetic number, because the mean of its divisors is an integer number (1252003320).

Almost surely, 2^12506120254 is an apocalyptic number.

12506120254 is a deficient number, since it is larger than the sum of its proper divisors (7525932866).

12506120254 is a wasteful number, since it uses less digits than its factorization.

12506120254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955635.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 12506120254 its reverse (45202160521), we get a palindrome (57708280775).

The spelling of 12506120254 in words is "twelve billion, five hundred six million, one hundred twenty thousand, two hundred fifty-four".