1342312051421 has 16 divisors (see below), whose sum is σ = 1489636716480. Its totient is φ = 1199216686080.

The previous prime is 1342312051393. The next prime is 1342312051447. The reversal of 1342312051421 is 1241502132431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1342312051421 - 2²⁶ = 1342244942557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342312051481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1706255 + ... + 2365571.

It is an arithmetic number, because the mean of its divisors is an integer number (93102294780).

Almost surely, 2^{1342312051421} is an apocalyptic number.

1342312051421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1342312051421 is a deficient number, since it is larger than the sum of its proper divisors (147324665059).

1342312051421 is a wasteful number, since it uses less digits than its factorization.

1342312051421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662524.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1342312051421 its reverse (1241502132431), we get a palindrome (2583814183852).

The spelling of 1342312051421 in words is "one trillion, three hundred forty-two billion, three hundred twelve million, fifty-one thousand, four hundred twenty-one".