12812091541 has 2 divisors, whose sum is σ = 12812091542. Its totient is φ = 12812091540.

The previous prime is 12812091469. The next prime is 12812091601. The reversal of 12812091541 is 14519021821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10579151025 + 2232940516 = 102855^2 + 47254^2 .

It is a cyclic number.

It is not a de Polignac number, because 12812091541 - 2¹⁵ = 12812058773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12812091497 and 12812091506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12812091241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6406045770 + 6406045771.

It is an arithmetic number, because the mean of its divisors is an integer number (6406045771).

Almost surely, 2^12812091541 is an apocalyptic number.

It is an amenable number.

12812091541 is a deficient number, since it is larger than the sum of its proper divisors (1).

12812091541 is an equidigital number, since it uses as much as digits as its factorization.

12812091541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 34.

The spelling of 12812091541 in words is "twelve billion, eight hundred twelve million, ninety-one thousand, five hundred forty-one".