12207191669145 has 96 divisors (see below), whose sum is σ = 24482862593280. Its totient is φ = 5560826757120.

The previous prime is 12207191669143. The next prime is 12207191669149. The reversal of 12207191669145 is 54196619170221.

12207191669145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12207191669145 - 2¹ = 12207191669143 is a prime.

It is a super-2 number, since 2×12207191669145² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12207191669091 and 12207191669100.

It is not an unprimeable number, because it can be changed into a prime (12207191669143) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3598396 + ... + 6112514.

It is an arithmetic number, because the mean of its divisors is an integer number (255029818680).

Almost surely, 2^{12207191669145} is an apocalyptic number.

12207191669145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12207191669145 is an abundant number, since it is smaller than the sum of its proper divisors (12275670924135).

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

12207191669145 is a wasteful number, since it uses less digits than its factorization.

12207191669145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514735 (or 2514732 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 12207191669145 in words is "twelve trillion, two hundred seven billion, one hundred ninety-one million, six hundred sixty-nine thousand, one hundred forty-five".