12105331474 has 12 divisors (see below), whose sum is σ = 19227133674. Its totient is φ = 5696324672.

The previous prime is 12105331439. The next prime is 12105331481. The reversal of 12105331474 is 47413350121.

It can be written as a sum of positive squares in 3 ways, for example, as 10315449225 + 1789882249 = 101565^2 + 42307^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 632112 + ... + 650980.

Almost surely, 2^12105331474 is an apocalyptic number.

12105331474 is a deficient number, since it is larger than the sum of its proper divisors (7121802200).

12105331474 is an frugal number, since it uses more digits than its factorization.

12105331474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37757 (or 18888 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 12105331474 its reverse (47413350121), we get a palindrome (59518681595).

The spelling of 12105331474 in words is "twelve billion, one hundred five million, three hundred thirty-one thousand, four hundred seventy-four".