12106477574 has 4 divisors (see below), whose sum is σ = 18159716364. Its totient is φ = 6053238786.

The previous prime is 12106477571. The next prime is 12106477609. The reversal of 12106477574 is 47577460121.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12106477571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3026619392 + ... + 3026619395.

It is an arithmetic number, because the mean of its divisors is an integer number (4539929091).

Almost surely, 2^12106477574 is an apocalyptic number.

12106477574 is a deficient number, since it is larger than the sum of its proper divisors (6053238790).

12106477574 is an equidigital number, since it uses as much as digits as its factorization.

12106477574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6053238789.

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 12106477574 in words is "twelve billion, one hundred six million, four hundred seventy-seven thousand, five hundred seventy-four".