12520425214 has 16 divisors (see below), whose sum is σ = 20874535920. Its totient is φ = 5583722560.

The previous prime is 12520425209. The next prime is 12520425221. The reversal of 12520425214 is 41252402521.

It is a happy number.

It is a super-2 number, since 2×12520425214² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5367799 + ... + 5370130.

It is an arithmetic number, because the mean of its divisors is an integer number (1304658495).

Almost surely, 2^12520425214 is an apocalyptic number.

12520425214 is a deficient number, since it is larger than the sum of its proper divisors (8354110706).

12520425214 is a wasteful number, since it uses less digits than its factorization.

12520425214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737995.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 12520425214 its reverse (41252402521), we get a palindrome (53772827735).

It can be divided in two parts, 12520 and 425214, that added together give a palindrome (437734).

The spelling of 12520425214 in words is "twelve billion, five hundred twenty million, four hundred twenty-five thousand, two hundred fourteen".