12454215253 has 2 divisors, whose sum is σ = 12454215254. Its totient is φ = 12454215252.

The previous prime is 12454215217. The next prime is 12454215341. The reversal of 12454215253 is 35251245421.

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., 10538664964 + 1915550289 = 102658^2 + 43767^2 .

It is a cyclic number.

It is not a de Polignac number, because 12454215253 - 2³³ = 3864280661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12451215253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227107626 + 6227107627.

It is an arithmetic number, because the mean of its divisors is an integer number (6227107627).

Almost surely, 2^12454215253 is an apocalyptic number.

It is an amenable number.

12454215253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12454215253 is an equidigital number, since it uses as much as digits as its factorization.

12454215253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48000, while the sum is 34.

The spelling of 12454215253 in words is "twelve billion, four hundred fifty-four million, two hundred fifteen thousand, two hundred fifty-three".