12521251014 has 32 divisors (see below), whose sum is σ = 26400729600. Its totient is φ = 3951121152.

The previous prime is 12521250977. The next prime is 12521251019. The reversal of 12521251014 is 41015212521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12521251019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454314 + ... + 481085.

It is an arithmetic number, because the mean of its divisors is an integer number (825022800).

Almost surely, 2^12521251014 is an apocalyptic number.

12521251014 is an abundant number, since it is smaller than the sum of its proper divisors (13879478586).

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

12521251014 is a wasteful number, since it uses less digits than its factorization.

12521251014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935524.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 12521251014 its reverse (41015212521), we get a palindrome (53536463535).

The spelling of 12521251014 in words is "twelve billion, five hundred twenty-one million, two hundred fifty-one thousand, fourteen".