12435402553652 has 24 divisors (see below), whose sum is σ = 23436046996992. Its totient is φ = 5739393045600.

The previous prime is 12435402553643. The next prime is 12435402553687. The reversal of 12435402553652 is 25635520453421.

It is a junction number, because it is equal to n+sod(n) for n = 12435402553597 and 12435402553606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23649077 + ... + 24169187.

It is an arithmetic number, because the mean of its divisors is an integer number (976501958208).

Almost surely, 2^{12435402553652} is an apocalyptic number.

It is an amenable number.

12435402553652 is a deficient number, since it is larger than the sum of its proper divisors (11000644443340).

12435402553652 is a wasteful number, since it uses less digits than its factorization.

12435402553652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979919 (or 979917 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 12435402553652 in words is "twelve trillion, four hundred thirty-five billion, four hundred two million, five hundred fifty-three thousand, six hundred fifty-two".