12520020350 has 24 divisors (see below), whose sum is σ = 23855223168. Its totient is φ = 4885860800.

The previous prime is 12520020343. The next prime is 12520020367. The reversal of 12520020350 is 5302002521.

12520020350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3051614 + ... + 3055713.

It is an arithmetic number, because the mean of its divisors is an integer number (993967632).

Almost surely, 2^12520020350 is an apocalyptic number.

12520020350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12520020350 is a deficient number, since it is larger than the sum of its proper divisors (11335202818).

12520020350 is a wasteful number, since it uses less digits than its factorization.

12520020350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6107380 (or 6107375 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 12520020350 its reverse (5302002521), we get a palindrome (17822022871).

The spelling of 12520020350 in words is "twelve billion, five hundred twenty million, twenty thousand, three hundred fifty".