1212343212341 has 4 divisors (see below), whose sum is σ = 1226949757152. Its totient is φ = 1197736667532.

The previous prime is 1212343212331. The next prime is 1212343212347. The reversal of 1212343212341 is 1432123432121.

It is a happy number.

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 1212343212341 - 2³⁰ = 1211269470517 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212343212347) 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, 7303272281 + ... + 7303272446.

It is an arithmetic number, because the mean of its divisors is an integer number (306737439288).

Almost surely, 2^{1212343212341} is an apocalyptic number.

It is an amenable number.

1212343212341 is a deficient number, since it is larger than the sum of its proper divisors (14606544811).

1212343212341 is an equidigital number, since it uses as much as digits as its factorization.

1212343212341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14606544810.

The product of its digits is 6912, while the sum is 29.

Adding to 1212343212341 its reverse (1432123432121), we get a palindrome (2644466644462).

The spelling of 1212343212341 in words is "one trillion, two hundred twelve billion, three hundred forty-three million, two hundred twelve thousand, three hundred forty-one".