1295612220841 has 2 divisors, whose sum is σ = 1295612220842. Its totient is φ = 1295612220840.

The previous prime is 1295612220839. The next prime is 1295612220883. The reversal of 1295612220841 is 1480222165921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 682241308441 + 613370912400 = 825979^2 + 783180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1295612220841 - 2¹ = 1295612220839 is a prime.

It is a super-2 number, since 2×1295612220841² (a number of 25 digits) contains 22 as substring.

Together with 1295612220839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1295612220041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647806110420 + 647806110421.

It is an arithmetic number, because the mean of its divisors is an integer number (647806110421).

Almost surely, 2^{1295612220841} is an apocalyptic number.

It is an amenable number.

1295612220841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1295612220841 is an equidigital number, since it uses as much as digits as its factorization.

1295612220841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 1295612220841 in words is "one trillion, two hundred ninety-five billion, six hundred twelve million, two hundred twenty thousand, eight hundred forty-one".