12575006321 has 2 divisors, whose sum is σ = 12575006322. Its totient is φ = 12575006320.

The previous prime is 12575006317. The next prime is 12575006351. The reversal of 12575006321 is 12360057521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11472766321 + 1102240000 = 107111^2 + 33200^2 .

It is a cyclic number.

It is not a de Polignac number, because 12575006321 - 2² = 12575006317 is a prime.

It is not a weakly prime, because it can be changed into another prime (12575006351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6287503160 + 6287503161.

It is an arithmetic number, because the mean of its divisors is an integer number (6287503161).

Almost surely, 2^12575006321 is an apocalyptic number.

It is an amenable number.

12575006321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12575006321 is an equidigital number, since it uses as much as digits as its factorization.

12575006321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 12575006321 in words is "twelve billion, five hundred seventy-five million, six thousand, three hundred twenty-one".