12452400215 has 16 divisors (see below), whose sum is σ = 16413235200. Its totient is φ = 9027276192.

The previous prime is 12452400203. The next prime is 12452400221. The reversal of 12452400215 is 51200425421.

12452400215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12452400215 - 2⁶ = 12452400151 is a prime.

It is a super-2 number, since 2×12452400215² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2847335 + ... + 2851704.

It is an arithmetic number, because the mean of its divisors is an integer number (1025827200).

Almost surely, 2^12452400215 is an apocalyptic number.

12452400215 is a deficient number, since it is larger than the sum of its proper divisors (3960834985).

12452400215 is a wasteful number, since it uses less digits than its factorization.

12452400215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699086.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 12452400215 its reverse (51200425421), we get a palindrome (63652825636).

The spelling of 12452400215 in words is "twelve billion, four hundred fifty-two million, four hundred thousand, two hundred fifteen".