12520247074 has 8 divisors (see below), whose sum is σ = 19885098348. Its totient is φ = 5891880960.

The previous prime is 12520247027. The next prime is 12520247093. The reversal of 12520247074 is 47074202521.

12520247074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12330992025 + 189255049 = 111045^2 + 13757^2 .

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

It is a super-2 number, since 2×12520247074² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 368242561 = 12520247074 / (1 + 2 + 5 + 2 + 0 + 2 + 4 + 7 + 0 + 7 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184121247 + ... + 184121314.

Almost surely, 2^12520247074 is an apocalyptic number.

12520247074 is a deficient number, since it is larger than the sum of its proper divisors (7364851274).

12520247074 is a wasteful number, since it uses less digits than its factorization.

12520247074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368242580.

The product of its (nonzero) digits is 31360, while the sum is 34.

Adding to 12520247074 its reverse (47074202521), we get a palindrome (59594449595).

The spelling of 12520247074 in words is "twelve billion, five hundred twenty million, two hundred forty-seven thousand, seventy-four".