12652135212 has 48 divisors (see below), whose sum is σ = 29903328000. Its totient is φ = 4162941888.

The previous prime is 12652135211. The next prime is 12652135219. The reversal of 12652135212 is 21253125621.

It is a self number, because there is not a number n which added to its sum of digits gives 12652135212.

It is not an unprimeable number, because it can be changed into a prime (12652135211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292914 + ... + 1302662.

It is an arithmetic number, because the mean of its divisors is an integer number (622986000).

Almost surely, 2^12652135212 is an apocalyptic number.

12652135212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12652135212 is an abundant number, since it is smaller than the sum of its proper divisors (17251192788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12652135212 is a wasteful number, since it uses less digits than its factorization.

12652135212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11142 (or 11140 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The spelling of 12652135212 in words is "twelve billion, six hundred fifty-two million, one hundred thirty-five thousand, two hundred twelve".