12520434034 has 16 divisors (see below), whose sum is σ = 18841600800. Its totient is φ = 6239921184.

The previous prime is 12520434029. The next prime is 12520434067. The reversal of 12520434034 is 43043402521.

It is a happy number.

12520434034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12520434034² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12520433993 and 12520434011.

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 7 ways as a sum of consecutive naturals, for example, 1579509 + ... + 1587415.

It is an arithmetic number, because the mean of its divisors is an integer number (1177600050).

Almost surely, 2^12520434034 is an apocalyptic number.

12520434034 is a deficient number, since it is larger than the sum of its proper divisors (6321166766).

12520434034 is a wasteful number, since it uses less digits than its factorization.

12520434034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10377.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 12520434034 its reverse (43043402521), we get a palindrome (55563836555).

The spelling of 12520434034 in words is "twelve billion, five hundred twenty million, four hundred thirty-four thousand, thirty-four".