12152635443 has 32 divisors (see below), whose sum is σ = 19398579200. Its totient is φ = 7474781088.

The previous prime is 12152635441. The next prime is 12152635471. The reversal of 12152635443 is 34453625121.

12152635443 is a `hidden beast` number, since 1 + 2 + 1 + 52 + 63 + 544 + 3 = 666.

It is not a de Polignac number, because 12152635443 - 2¹ = 12152635441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12152635398 and 12152635407.

It is not an unprimeable number, because it can be changed into a prime (12152635441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 795168 + ... + 810306.

It is an arithmetic number, because the mean of its divisors is an integer number (606205600).

Almost surely, 2^12152635443 is an apocalyptic number.

12152635443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12152635443 is a deficient number, since it is larger than the sum of its proper divisors (7245943757).

12152635443 is a wasteful number, since it uses less digits than its factorization.

12152635443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17448 (or 17442 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 12152635443 in words is "twelve billion, one hundred fifty-two million, six hundred thirty-five thousand, four hundred forty-three".