1241322231421 has 2 divisors, whose sum is σ = 1241322231422. Its totient is φ = 1241322231420.

The previous prime is 1241322231419. The next prime is 1241322231431.

1241322231421 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1047910505625 + 193411725796 = 1023675^2 + 439786^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1241322231421 - 2¹ = 1241322231419 is a prime.

Together with 1241322231419, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1241322231421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241322231431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620661115710 + 620661115711.

It is an arithmetic number, because the mean of its divisors is an integer number (620661115711).

Almost surely, 2^{1241322231421} is an apocalyptic number.

It is an amenable number.

1241322231421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241322231421 is an equidigital number, since it uses as much as digits as its factorization.

1241322231421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 28.

The spelling of 1241322231421 in words is "one trillion, two hundred forty-one billion, three hundred twenty-two million, two hundred thirty-one thousand, four hundred twenty-one".