12852952512 has 28 divisors (see below), whose sum is σ = 34006770696. Its totient is φ = 4284317440.

The previous prime is 12852952507. The next prime is 12852952517. The reversal of 12852952512 is 21525925821.

It is an interprime number because it is at equal distance from previous prime (12852952507) and next prime (12852952517).

It is a super-2 number, since 2×12852952512² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12852952517) 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, 33471039 + ... + 33471422.

Almost surely, 2^12852952512 is an apocalyptic number.

12852952512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12852952512 is an abundant number, since it is smaller than the sum of its proper divisors (21153818184).

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

12852952512 is an equidigital number, since it uses as much as digits as its factorization.

12852952512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66942476 (or 66942466 counting only the distinct ones).

The product of its digits is 144000, while the sum is 42.

The spelling of 12852952512 in words is "twelve billion, eight hundred fifty-two million, nine hundred fifty-two thousand, five hundred twelve".