12521021126032 has 10 divisors (see below), whose sum is σ = 24259478431718. Its totient is φ = 6260510563008.

The previous prime is 12521021125993. The next prime is 12521021126057. The reversal of 12521021126032 is 23062112012521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11038899930256 + 1482121195776 = 3322484^2 + 1217424^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391281910173 + ... + 391281910204.

Almost surely, 2^{12521021126032} is an apocalyptic number.

It is an amenable number.

12521021126032 is a deficient number, since it is larger than the sum of its proper divisors (11738457305686).

12521021126032 is an equidigital number, since it uses as much as digits as its factorization.

12521021126032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782563820385 (or 782563820379 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 12521021126032 its reverse (23062112012521), we get a palindrome (35583133138553).

The spelling of 12521021126032 in words is "twelve trillion, five hundred twenty-one billion, twenty-one million, one hundred twenty-six thousand, thirty-two".