12695233145 has 8 divisors (see below), whose sum is σ = 17410605504. Its totient is φ = 8705302704.

The previous prime is 12695233081. The next prime is 12695233147. The reversal of 12695233145 is 54133259621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12695233145 - 2⁶ = 12695233081 is a prime.

It is a super-2 number, since 2×12695233145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12695233147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181360439 + ... + 181360508.

It is an arithmetic number, because the mean of its divisors is an integer number (2176325688).

Almost surely, 2^12695233145 is an apocalyptic number.

It is an amenable number.

12695233145 is a deficient number, since it is larger than the sum of its proper divisors (4715372359).

12695233145 is an equidigital number, since it uses as much as digits as its factorization.

12695233145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362720959.

The product of its digits is 194400, while the sum is 41.

The spelling of 12695233145 in words is "twelve billion, six hundred ninety-five million, two hundred thirty-three thousand, one hundred forty-five".