12500310043 has 32 divisors (see below), whose sum is σ = 14203631232. Its totient is φ = 10914816000.

The previous prime is 12500310023. The next prime is 12500310059. The reversal of 12500310043 is 34001300521.

It is a cyclic number.

It is not a de Polignac number, because 12500310043 - 2²¹ = 12498212891 is a prime.

It is a super-2 number, since 2×12500310043² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12500310043.

It is not an unprimeable number, because it can be changed into a prime (12500310023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16425783 + ... + 16426543.

It is an arithmetic number, because the mean of its divisors is an integer number (443863476).

Almost surely, 2^12500310043 is an apocalyptic number.

12500310043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12500310043 is a deficient number, since it is larger than the sum of its proper divisors (1703321189).

12500310043 is a wasteful number, since it uses less digits than its factorization.

12500310043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 12500310043 its reverse (34001300521), we get a palindrome (46501610564).

The spelling of 12500310043 in words is "twelve billion, five hundred million, three hundred ten thousand, forty-three".