1342123433221 has 4 divisors (see below), whose sum is σ = 1342182603744. Its totient is φ = 1342064262700.

The previous prime is 1342123433201. The next prime is 1342123433257. The reversal of 1342123433221 is 1223343212431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1342123433221 - 2⁷ = 1342123433093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342123433201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29551225 + ... + 29596606.

It is an arithmetic number, because the mean of its divisors is an integer number (335545650936).

Almost surely, 2^{1342123433221} is an apocalyptic number.

It is an amenable number.

1342123433221 is a deficient number, since it is larger than the sum of its proper divisors (59170523).

1342123433221 is an equidigital number, since it uses as much as digits as its factorization.

1342123433221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59170522.

The product of its digits is 20736, while the sum is 31.

Adding to 1342123433221 its reverse (1223343212431), we get a palindrome (2565466645652).

The spelling of 1342123433221 in words is "one trillion, three hundred forty-two billion, one hundred twenty-three million, four hundred thirty-three thousand, two hundred twenty-one".