12521124221411 has 64 divisors (see below), whose sum is σ = 14521731840000. Its totient is φ = 10699896310272.

The previous prime is 12521124221401. The next prime is 12521124221447. The reversal of 12521124221411 is 11412242112521.

12521124221411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12521124221411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12521124221401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2273671520 + ... + 2273677026.

It is an arithmetic number, because the mean of its divisors is an integer number (226902060000).

Almost surely, 2^{12521124221411} is an apocalyptic number.

12521124221411 is a deficient number, since it is larger than the sum of its proper divisors (2000607618589).

12521124221411 is a wasteful number, since it uses less digits than its factorization.

12521124221411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6796.

The product of its digits is 2560, while the sum is 29.

Adding to 12521124221411 its reverse (11412242112521), we get a palindrome (23933366333932).

The spelling of 12521124221411 in words is "twelve trillion, five hundred twenty-one billion, one hundred twenty-four million, two hundred twenty-one thousand, four hundred eleven".