12535444404512 has 12 divisors (see below), whose sum is σ = 24679156171446. Its totient is φ = 6267722202240.

The previous prime is 12535444404493. The next prime is 12535444404517. The reversal of 12535444404512 is 21540444453521.

12535444404512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12456974949136 + 78469455376 = 3529444^2 + 280124^2 .

It is a super-2 number, since 2×12535444404512² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12535444404517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195866318789 + ... + 195866318852.

Almost surely, 2^{12535444404512} is an apocalyptic number.

It is an amenable number.

12535444404512 is a deficient number, since it is larger than the sum of its proper divisors (12143711766934).

12535444404512 is an equidigital number, since it uses as much as digits as its factorization.

12535444404512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391732637651 (or 391732637643 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 44.

The spelling of 12535444404512 in words is "twelve trillion, five hundred thirty-five billion, four hundred forty-four million, four hundred four thousand, five hundred twelve".