12532118517812 has 12 divisors (see below), whose sum is σ = 23085481480320. Its totient is φ = 5936266666296.

The previous prime is 12532118517811. The next prime is 12532118517917. The reversal of 12532118517812 is 21871581123521.

It is a super-2 number, since 2×12532118517812² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532118517811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82448148068 + ... + 82448148219.

It is an arithmetic number, because the mean of its divisors is an integer number (1923790123360).

Almost surely, 2^{12532118517812} is an apocalyptic number.

It is an amenable number.

12532118517812 is a deficient number, since it is larger than the sum of its proper divisors (10553362962508).

12532118517812 is a wasteful number, since it uses less digits than its factorization.

12532118517812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164896296310 (or 164896296308 counting only the distinct ones).

The product of its digits is 268800, while the sum is 47.

The spelling of 12532118517812 in words is "twelve trillion, five hundred thirty-two billion, one hundred eighteen million, five hundred seventeen thousand, eight hundred twelve".