1341323120421 has 12 divisors (see below), whose sum is σ = 1937485879680. Its totient is φ = 894206575080.

The previous prime is 1341323120381. The next prime is 1341323120447. The reversal of 1341323120421 is 1240213231431.

1341323120421 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 3 + 231 + 2 + 0 + 421 = 666.

It is not a de Polignac number, because 1341323120421 - 2¹⁸ = 1341322858277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341323128421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301606 + ... + 1665416.

It is an arithmetic number, because the mean of its divisors is an integer number (161457156640).

Almost surely, 2^{1341323120421} is an apocalyptic number.

It is an amenable number.

1341323120421 is a deficient number, since it is larger than the sum of its proper divisors (596162759259).

1341323120421 is a wasteful number, since it uses less digits than its factorization.

1341323120421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473096 (or 1473093 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1341323120421 its reverse (1240213231431), we get a palindrome (2581536351852).

The spelling of 1341323120421 in words is "one trillion, three hundred forty-one billion, three hundred twenty-three million, one hundred twenty thousand, four hundred twenty-one".