12074206145 has 4 divisors (see below), whose sum is σ = 14489047380. Its totient is φ = 9659364912.

The previous prime is 12074206121. The next prime is 12074206147. The reversal of 12074206145 is 54160247021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5446292401 + 6627913744 = 73799^2 + 81412^2 .

It is a cyclic number.

It is not a de Polignac number, because 12074206145 - 2⁸ = 12074205889 is a prime.

It is a super-2 number, since 2×12074206145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12074206147) 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 3 ways as a sum of consecutive naturals, for example, 1207420610 + ... + 1207420619.

It is an arithmetic number, because the mean of its divisors is an integer number (3622261845).

Almost surely, 2^12074206145 is an apocalyptic number.

It is an amenable number.

12074206145 is a deficient number, since it is larger than the sum of its proper divisors (2414841235).

12074206145 is an equidigital number, since it uses as much as digits as its factorization.

12074206145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414841234.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 12074206145 in words is "twelve billion, seventy-four million, two hundred six thousand, one hundred forty-five".