12507758443 has 2 divisors, whose sum is σ = 12507758444. Its totient is φ = 12507758442.

The previous prime is 12507758437. The next prime is 12507758453. The reversal of 12507758443 is 34485770521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12507758443 - 2²¹ = 12505661291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12507758393 and 12507758402.

It is not a weakly prime, because it can be changed into another prime (12507758413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253879221 + 6253879222.

It is an arithmetic number, because the mean of its divisors is an integer number (6253879222).

Almost surely, 2^12507758443 is an apocalyptic number.

12507758443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12507758443 is an equidigital number, since it uses as much as digits as its factorization.

12507758443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 12507758443 in words is "twelve billion, five hundred seven million, seven hundred fifty-eight thousand, four hundred forty-three".