12453102533 has 2 divisors, whose sum is σ = 12453102534. Its totient is φ = 12453102532.

The previous prime is 12453102517. The next prime is 12453102551. The reversal of 12453102533 is 33520135421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11283325729 + 1169776804 = 106223^2 + 34202^2 .

It is a cyclic number.

It is not a de Polignac number, because 12453102533 - 2⁴ = 12453102517 is a prime.

It is a super-2 number, since 2×12453102533² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12453102496 and 12453102505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12453102503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226551266 + 6226551267.

It is an arithmetic number, because the mean of its divisors is an integer number (6226551267).

Almost surely, 2^12453102533 is an apocalyptic number.

It is an amenable number.

12453102533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453102533 is an equidigital number, since it uses as much as digits as its factorization.

12453102533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 12453102533 its reverse (33520135421), we get a palindrome (45973237954).

The spelling of 12453102533 in words is "twelve billion, four hundred fifty-three million, one hundred two thousand, five hundred thirty-three".