12552021336 has 16 divisors (see below), whose sum is σ = 31380053400. Its totient is φ = 4184007104.

The previous prime is 12552021289. The next prime is 12552021347. The reversal of 12552021336 is 63312025521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261500421 + ... + 261500468.

Almost surely, 2^12552021336 is an apocalyptic number.

It is an amenable number.

12552021336 is an abundant number, since it is smaller than the sum of its proper divisors (18828032064).

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

12552021336 is a wasteful number, since it uses less digits than its factorization.

12552021336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523000898 (or 523000894 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 12552021336 its reverse (63312025521), we get a palindrome (75864046857).

The spelling of 12552021336 in words is "twelve billion, five hundred fifty-two million, twenty-one thousand, three hundred thirty-six".