1343212121203 has 4 divisors (see below), whose sum is σ = 1355098954248. Its totient is φ = 1331325288160.

The previous prime is 1343212121171. The next prime is 1343212121261. The reversal of 1343212121203 is 3021212123431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1343212121203 - 2⁵ = 1343212121171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343213121203) 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, 5943416353 + ... + 5943416578.

It is an arithmetic number, because the mean of its divisors is an integer number (338774738562).

Almost surely, 2^{1343212121203} is an apocalyptic number.

1343212121203 is a deficient number, since it is larger than the sum of its proper divisors (11886833045).

1343212121203 is a wasteful number, since it uses less digits than its factorization.

1343212121203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11886833044.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1343212121203 its reverse (3021212123431), we get a palindrome (4364424244634).

The spelling of 1343212121203 in words is "one trillion, three hundred forty-three billion, two hundred twelve million, one hundred twenty-one thousand, two hundred three".