12452250105 has 24 divisors (see below), whose sum is σ = 21797610120. Its totient is φ = 6575443200.

The previous prime is 12452250103. The next prime is 12452250113. The reversal of 12452250105 is 50105225421.

12452250105 is a `hidden beast` number, since 124 + 522 + 5 + 0 + 10 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3447568656 + 9004681449 = 58716^2 + 94893^2 .

It is not a de Polignac number, because 12452250105 - 2¹ = 12452250103 is a prime.

It is a super-2 number, since 2×12452250105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12452250103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1365340 + ... + 1374429.

It is an arithmetic number, because the mean of its divisors is an integer number (908233755).

Almost surely, 2^12452250105 is an apocalyptic number.

12452250105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12452250105 is a deficient number, since it is larger than the sum of its proper divisors (9345360015).

12452250105 is a wasteful number, since it uses less digits than its factorization.

12452250105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739881 (or 2739878 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 12452250105 its reverse (50105225421), we get a palindrome (62557475526).

The spelling of 12452250105 in words is "twelve billion, four hundred fifty-two million, two hundred fifty thousand, one hundred five".