12653453012 has 6 divisors (see below), whose sum is σ = 22143542778. Its totient is φ = 6326726504.

The previous prime is 12653453011. The next prime is 12653453023. The reversal of 12653453012 is 21035435621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12092521156 + 560931856 = 109966^2 + 23684^2 .

It is a super-3 number, since 3×12653453012³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12653453012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12653453011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581681623 + ... + 1581681630.

It is an arithmetic number, because the mean of its divisors is an integer number (3690590463).

Almost surely, 2^12653453012 is an apocalyptic number.

It is an amenable number.

12653453012 is a deficient number, since it is larger than the sum of its proper divisors (9490089766).

12653453012 is a wasteful number, since it uses less digits than its factorization.

12653453012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163363257 (or 3163363255 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 12653453012 its reverse (21035435621), we get a palindrome (33688888633).

The spelling of 12653453012 in words is "twelve billion, six hundred fifty-three million, four hundred fifty-three thousand, twelve".